PPT - Google Pixel 8a & Pixel 8 Price in UAE Features, Value, and Buying Guide PowerPoint Presentation

Google Pixel 8a & Pixel 8 Price in UAE Features, Value, and Buying Guide

Jan 20, 2026

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Pixel Max is a Dubai-based online store dedicated to bringing high-quality mobile phones and tech accessories to customers across the UAE. We focus on offering the latest smartphones including Google Pixel, OnePlus, and gaming-centric devices along with essential accessories at competitive prices. With a commitment to fast delivery, secure payments, and reliable customer support, we make shopping for cutting-edge technology simple and stress-free. Every product is carefully selected to meet quality standards and shipped quickly right to your doorstep. At Pixel Max, your satisfaction comes firs

Google Pixel 8a & Pixel 8 Price in UAE Features, Value, and Buying Guide

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Outdoor Security Camera, 1080P WiFi Camera Surveillance Cameras

The Very Best Outdoor Security Camera - cong ty hai nam camera An exterior protection electronic camera is an effective deterrent to mischief makers and also a practical method to figure out whether that point going bump in the night is a good friend, adversary, or furry animal. We recommend the Google Nest Cam Outdoor for the job. It's completely weatherproof, and although you require a registration to obtain person alerts, established Activity Zones, and shop recordings, the Nest Cam Outdoor records video 24/7, has person detection, and sends out motion-activated smart device signals. - camera hu1ea3i nam The Nest Cam Outdoor's Wi-Fi video camera includes everything a DIY monitoring video camera need to: crisp, 1080p video; a vast field of view; and two-way sound. The optional Nest Aware subscription (starting at $5 a month) provides you 24/7 recording, personalized Activity Zones, and also individual discovery, which assists cut down on problem informs. The Nest Cam has a weatherproof cable and also plug, in addition to a hassle-free mounting system that enables you to aim the tool in any kind of instructions (however, the power cable restrictions placement options to locations within reach of an outlet or an electrical cord). Because Nest Aware documents whatever continuously, if somebody has Internet solution with a data cap, it may be an issue. The corded version of the Logitech Circle 2 offers comparable attributes to the Nest Cam. In addition to Alexa and Google Assistant, it supports HomeKit and also HomeKit Secure Video, which the Nest doesn't; it additionally consists of 24 hrs of totally free cloud storage space, with an alternative to purchase much more. Yet even if you obtain a membership, the Circle 2 doesn't tape 24/7 as the Nest Cam does. Likewise, the Circle 2's 10-foot power cable might be as well short for some outside uses, so you may have to purchase a weatherproof expansion cord. Likewise excellent If you're much more interested in examining your kids or spotting plans than in watching out for prowlers, the Arlo Pro 2 is also a wonderful choice Although it can not record continual activity (without a registration) and typically leaves spaces of a couple of secs in between video clips-- making it less preferable as a safety and security camera-- it is or else the very best battery-powered system we examined. It delivers an exceptional image, clear two-way sound, useful smart-home assimilation, 7 days of free cloud storage, and the alternative to add a USB drive for neighborhood video clip storage. For a charge, you can include vehicle, animal, and also person discovery as well as even more cloud-based video clip storage. Upgrade choice. The Google Nest Cam INTELLIGENCE Outdoor is the most technologically advanced exterior camera we've tested. It has a close-up monitoring feature, which automatically zooms in on movement and afterwards follows it around the field of view. To make those pictures clear, it has an 8-megapixel 4K sensor, HDR (high dynamic variety), and 12 x digital zoom. It can compare basic movement and individuals, so it reduces duds, and it can even identify individuals you've classified (after a knowing period). Yet like all Nest cams, this set requires the Nest Aware solution to do anything past online watching. Why you must trust me I've covered customer electronics for more than 15 years, as well as I've evaluated a variety of smart-home products-- everything from remotes and safety electronic cameras to AV receivers and audio speakers. As a former editor for Electronic House as well as Big Picture Big Sound, I've composed purchaser's guides for several consumer-electronics devices. I've also done tech-related help The New York Times, Wired, Men's Health, and others. That ought to get this Having a Wi-Fi surveillance video camera on your front porch, over your garage, or attached to your back deck can offer you a peek at what's truly going bump in the night (or the day), whether it's a person stealing packages off your actions or trash pandas rummaging via your garbage cans. A cam will certainly not only sharp you to threats however also produce a document of the occasions that occur outside your house. It should also help you determine a person-- whether it's a unwelcome or welcome guest-- or just permit you to keep track of animals or youngsters when you're not outside with them. (Just know that some uses monitoring cams can wade into fairly doubtful waters.). It can send you a mobile phone alert and save the video footage for later watching if the cam records video of something while you're away. Some also integrate with other smart-home systems to trigger sirens, lights, thermostats, as well as other tools when motion is discovered. If that's inadequate peace of mind and you want to tip it approximately 24/7, hands-off safety, you need to choose something that's connected to a surveillance solution. (For more information on what's out there, see our overview to home safety and security systems.). How we selected. We began compiling a listing of outside Wi-Fi cameras by reading professional evaluations on websites like PCMag, SafeWise, and also Safety.com, as well as by taking a look at the choices and individual evaluations offered on popular on the internet stores. We narrowed our checklist by dropping tools that called for a networked video clip recorder to record video and also instead thought about just those that can stand alone, which kept our concentrate on designs that were much easier to establish and also to make use of. A lot of exterior video cameras price from $100 to $200 each, with a number of features helping to establish the cost:. Photo resolution: Most outside electronic cameras stream 1080p video clip. If a video camera does just 720p, you should not be paying greater than $100. Night vision: All exterior Wi-Fi cams should have night-vision capacity. The night-vision array can be a factor, depending upon where you plan to position the electronic camera. Notifies: A great outdoor safety and security video camera will certainly notify your smart device or tablet whenever motion is discovered. Faster alerts are better, however that's often dependent extra on the network you're connected to than on the cam itself. Storage: Cloud storage space (where video is reduced a remote web server operated by the maker, rather than at your residence) is the norm these days, however some cams save recordings in your area on a microSD card or a connected hard disk drive. Onboard storage is nice, but it won't be of much help if a person takes the camera. Audio: An excellent outdoor Wi-Fi cam must have a built-in microphone so you can hear chirps and babble. Several also feature an audio speaker for two-way communication so you can speak with whomever remains in front of the video camera. - camera yoosee hai nam Smart-home integration: Most exterior cams supply some type of smart-home assimilation, such as support for Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT (If This Then That), SmartThings, as well as much more. Power: Battery-powered electronic cameras supply versatile positioning. Nonetheless, lots of exterior Wi-Fi cameras still require A/C power, restricting placement to within reach of an outlet. Several of the ones on our list are hardwired right into exterior lights. How we examined. We installed our examination team of exterior Wi-Fi electronic cameras to a board outside your home so we might direct them at the exact same area and subject them all to the same lights conditions and New England weather. The exceptions were cameras that were incorporated right into outside lighting fixtures, which I had installed on the porch by a qualified electrician (that occurs to be my partner). All of the electronic cameras were attached to the same 2.4 GHz network through a Wi-Fi router inside your home (about 40 feet from the cameras); service to your home was Verizon Fios. With the exception of those hardwired illumination versions as well as some battery-operated cams that required separate interior hubs, every one of the cams set up nearly exactly the same way. Each cam included every one of the placing hardware required. Once put, each electronic camera connected to the Wi-Fi network quickly. If you're wanting to put a camera in a place that does not get an excellent Wi-Fi signal, think about upgrading your router or including an extender or repeater. (Check out our guide to Wi-Fi routers and also our guide to Wi-Fi extenders for ideas.). In addition to good Wi-Fi, you may additionally need a nearby outlet. The majority of cameras require an Air Conditioner link, which indicates you won't be able to put them simply anywhere. Several of the cams we checked provided the alternative to make use of battery power, but we have yet to find the best one. The models we've examined until now either document really brief clips, leave large voids in between those short clips, or need charging on a regular basis. We downloaded each video camera's application to an iPhone 7, an iPad, as well as a Nokia 3.1 running Android 9 Pie, when feasible. The electronic cameras spent weeks protecting our front door, signaling us to good friends, relative, shipment people, and also the milkman. As soon as we got a sufficient look at those pleasant faces, we slanted the whole collection external for an additional two weeks to see what kind of results we would certainly obtain when the cameras encountered the house nearby, which is about 50 feet away. Our pick: Google Nest Cam Outdoor. The Google Nest Cam Outdoor is a trusted, weatherproof Wi-Fi camera. It tape-records 1080p HD video straight to cloud-based storage space 24/7, so you don't miss any kind of outside action. Plus, it has a really weatherproof cord. It incorporates with several third-party devices, so you can trigger lights, thermostats, as well as other smart-home gadgets based on motion in front of the video camera; we prepare to reassess those functions as soon as Google Nest changes to the Works with Google Assistant program. What actually sets this model apart is Nest Aware, a membership solution that can be pricey yet is necessary. In fact, we do not advise purchasing this video camera in any way unless you prepare to include the registration. Without it, you will not obtain the person-detection attribute, personalized Activity Zones (which allow you monitor designated areas within the cam's field of vision), or Sightline, an in-depth, scrollable timeline of when and also where the cam identified activity. Having the ability to distinguish between an auto as well as a person, for example, permits you to reduce unneeded alerts. And Activity Zones are a good perk, especially if you're wanting to keep an eye on a certain edge of the backyard, an entrance, or perhaps garbage cans. The Nest Cam Outdoor documents 1080p HD video directly to cloud-based storage space 24/7, so you don't miss out on any kind of exterior action. The Nest Cam Outdoor's 1080p photos and noise went over in our screening-- throughout the day and in the evening-- with a vast, 130-degree field of vision and 8 x electronic zoom that enabled us to get a closer view in online video clip. We ought to note that the video camera would periodically downgrade the picture top quality based on offered data transfer, which might rise and fall throughout the day. Nest includes the option to establish the data transfer to low, medium, as well as high, but that may beat the function of having a 1080p electronic camera. The Nest Cam Outdoor makes use of a separate place, as opposed to an integrated one, so you're not restricted to checking out one location. The install is magnetic, yet it's strong, so you can conveniently connect the cam as well as move it up, down, and anywhere in between. Although it has a lot of adaptability in placement, the Nest Cam Outdoor does require a power source, so it should be placed within reach of an outlet. This can be an issue outside your house. The video camera comes with an outdoor-rated 25-foot adapter and also power cable. It's prolonged, and that's a good thing if your recommended mounting location isn't near an outlet. The Nest additionally comes with clips to make the installation tidy and also harder to swipe off the side of a home. Although it does not have the best operating temperature level array (-4 levels Fahrenheit to 104 levels Fahrenheit), the Nest is just one of the few cams on our listing that come with a really weatherproof cord as well as plug. That treatment makes the cable rather thick, so you can not really run it with a home window opening. The Nest application is easy to browse, with a graphical timeline, clear images, as well as the alternative to focus for a much better look. It can likewise incorporate with various other Google Nest tools, such as indoor and also outdoor video cameras, the Nest - u0111u1ecba chu1ec9 camera hu1ea3i nam Thermostat, the Nest Protect smoke and carbon monoxide detector, and also more. You can set up the video camera to ensure that it won't supply hundreds of alerts while you cut the grass and will activate modes based on your mobile phone's location (for example, enter into Away setting when you leave the house). And also you can have the Nest turn on Lutron Casu00e9ta lights when activity is detected outside so it appears like you're home when you're away. Once Nest switches over to the Works with Google Assistant program.), (We will certainly upgrade this area. Runner-up: Logitech Circle 2. The Logitech Circle 2 carries out equally as well as the Nest Cam Outdoor, as well as it uses a great deal of storage space options that make it a fascinating alternative. If your video camera requirements are a lot more moderate, the Circle 2 includes 24 hours of totally free cloud storage space (with an option to acquire more). Or, if you just occur to have an iOS device as well as a relevant iCloud plan, you can choose to make use of HomeKit Secure Video, which supplies end-to-end encryption, video storage, and all of the notification functions without an extra cost (you can couple one camera for $3/200GB strategy, or approximately 5 for the $10/2TB plan). We found the Circle 2 isn't quite as good as the Nest Cam for outdoor use. It has a 10-foot power cable that restricts positioning, and also it isn't weatherproof (you can add a weatherproof cord, yet doing so makes each device cost greater than a solitary Nest). Also, if you do not choose to use HomeKit Secure Video you'll require to sign up for a $10 regular monthly Circle Safe membership to have tape-recording storage as well as progressed features, such as notifications that distinguish between people as well as basic activity. We think that's expensive. The complimentary 24-hour cloud storage need to interest those who aren't interested in spending for a registration, however maintain this in mind: Unlike the Nest, the Circle 2 doesn't supply 24/7 recording, which suggests it videotapes just when it discovers motion. Although this looks like it could be bothersome, in our screening it really did not confirm to be much of a downside: We found that the Logitech Circle 2 began videotaping as quickly as activity entered the frame. For instance, it would consistently capture the feet of somebody boiling down the stairways before the entire individual remained in the shot. It does remove recordings at the 3:15 mark, but the bright side is that a new recording begins immediately, so you don't need to worry about missing even a secondly of the action. You'll wind up with a lot of clips if there's a lot of activity, yet if browsing 24 hours of video clip snippets is too tedious, the Day Brief button within the app can produce an useful highlights reel. Like the Nest Cam IQ Indoor, this version has Familiar Face signals, which can recognize people the video camera is detecting utilizing face acknowledgment. When it spots a person in the frame, it will certainly ask whether you know that individual and if so to mark them by name. Eventually, the cam will certainly discover to identify those individuals and also will certainly send out mobile phone notifies with that said information when they turn up at your house. We assume this attribute (which needs a Nest Aware subscription) is much more beneficial outdoors, where you are most likely to intend to identify anticipated visitors from arbitrary complete strangers. We likewise located the attribute to be much more trusted on the IQ Outdoor than on the indoor INTELLIGENCE version (on the indoor version, this feature was always asking us to identify faces on a close-by TELEVISION). 3 microphones (versus the Nest Cam Outdoor's one) likewise offer a larger series of sound, so you can much better hear what's taking place in recordings. For the INTELLIGENCE, Google updated from the conventional outdoor cam's magnetic place with a tougher variation that has a hex-key lock, making it more tamper-proof. Unlike our top pick, the Google Nest Cam INTELLIGENCE Outdoor electronic camera doesn't have a weatherproof cable. It's developed to be wired with the walls and also attached to an interior electrical outlet, which we don't like. Nest has an optional Weatherproof Power Adapter if you do not such as the idea of drilling those kinds of holes. As with all Nest cameras, you need a Nest Aware subscription in order to store recordings. That additionally makes it possible for Familiar Face signals, which are readily available just on IQ designs and the Nest Hello. And also, similar to all Nest cams, the Nest Cam IQ Outdoor records 24/7. According to Nest, the INTELLIGENCE Outdoor utilizes extra data transfer than our top pick. Customers can change the video clip top quality to decrease transmission capacity, however the IQ does not go as reduced as our top choice, supplying 720p (0.8 Mbps) as well as three levels of 1080p uploads (1.3 Mbps for tool reduced, 2.0 Mbps for medium high, as well as 4.0 Mbps for high). The INTELLIGENCE can also automatically change the top quality based on the bandwidth available. What to look forward to. Google will supply whole-home Nest Aware intends beginning in very early 2020, which means you no more need to pay added membership costs for every camera or various other Nest gadget you possess. It additionally suggests you'll obtain 24/7 taping just if you have the right plan. For $6 each month (or $60 per year), the Nest Aware plan will keep event history for an unlimited number of cams for 30 days-- that means when movement is detected, the camera will tape as well as keep just that footage. By comparison, Nest Aware Plus will supply 10 days of 24/7 video clip history as well as 60 days of event history, additionally for a limitless variety of video cameras, for $12 per month (or $120 annually). Scheduled to arrive this winter months, the Abode Outdoor/Indoor Smart Camera can be used on its own or included in an Abode safety and security system. The $200 cam records 1080p video and also includes face recognition, plus support for Amazon Alexa, Google Assistant, and Apple HomeKit. It additionally has a 152-degree field of view, as well as a selection of install alternatives, so you can mount the electronic camera by an existing buzzer or via a plug-in outlet. - camera ip hu1ea3i nam Due this springtime, the Arlo Pro 3 Floodlight is an outdoor electronic camera incorporated with a 2,000-lumen light in a totally wire-free fixture. (You can pump that illuminate to 3,000 lumens by incorporating the battery with outside cabling). It likewise has most of the Arlo Pro 3's attributes, including 2K recording, two-way sound, as well as a built-in alarm. Also like the electronic camera, it requires an Arlo Smart subscription to shop video clip recordings. Hampton Products will release an exterior video camera under its Array by Hampton line this springtime. The wire-free electronic camera promises as much as four months of battery life, a 110-degree watching angle, as well as shade night vision. Due later this spring, the D-Link DCS-8302LH is a $100 outdoor electronic camera with a 1080p image, individual discovery, glass-break discovery, a built-in siren, as well as the choice for a wired Ethernet connection. In addition to cloud storage strategies, users can additionally videotape content locally to a microSD card and also pick NAS tools. The competition. The Blue by ADT Outdoor Camera is an operate in development. We've seen improvements during our short time with the battery-operated electronic camera, yet we simply can't advise a $200 video camera that doesn't use the capability to zoom video and will not have the ability to endure outdoor temperatures below 14 levels Fahrenheit. The initial Arlo Pro is still an excellent cord-free camera, yet it does not have the Pro 2's choices for specific task areas or hardwiring, which means no Look Back feature or 24/7 taping opportunities. Though it supports only 720p video clip, we always discovered it to be clear during nighttime and daytime viewing. The Arlo Pro 3 is great but not fantastic-- therefore it isn't worth paying two times the rate of its predecessor. When both are compared side by side, the Arlo Pro 3 does edge out the Pro 2 on battery life and image, with 2K HDR video that is sharper during day and nighttime viewing. Nevertheless, color night vision photo high quality is disappointing, as well as the activity monitoring attribute is a little bit wonky. Also, the Pro 3 uses no complimentary storage space, and outside storage can not be watched with the app, just through a computer system. We will maintain monitoring the Arlo Pro 3, however, for now, we still think the Arlo Pro 2 is a better buy. Both are still far better than the pricey Arlo Ultra, which we located to have awful night-vision performance, bad battery life, as well as a propensity to miss much way too many motion activates. After we utilized the Anker EufyCam for almost 6 months, we're stunned to report that it gets on track to provide on its pledge of as much as one year of battery life. What we don't love is that it leaves spaces in between recordings, which ranged anywhere from 4 to 34 seconds, depending upon the setups. We have actually seen some enhancements since the electronic camera's launch, and also will continue to update this testimonial and also evaluate, as required. The Blink XT2 is little, works on two AA batteries, as well as includes a year's worth of complimentary cloud storage space, as well as it records a much better picture and also longer clips than its precursors. So why isn't it a choice? It still leaves a minimum of 11 secs in between recordings, mobile phone alerts and also online sights were painfully sluggish, and the range is poor. Additionally, if the video camera is in the middle of recording, do not anticipate to get a real-time peek or make any type of setups adjustments-- it can't multitask. TP-Link's Kasa Cam Outdoor (KC200) has 1080p images and also a 130-degree field of view that might rival some of our top choices. It additionally comes with two days of cost-free cloud storage space (with an option for more), which can pack in clips of up to 3 mins. However, we had a handful of tests where recordings eliminated in the middle of the action and would certainly leave 13-second spaces in between clips. Complying with a collection of security events as well as controversy around Ring's action to them, we have chosen to pull our referral of Ring's video clip doorbells and all Ring video clip products, including the Ring Floodlight Cam, the Spotlight Cam, and the Stick Up Cam. To find out more on this choice, please see the What about Ring section of our wise video clip doorbell overview. The Netatmo Presence consists of IFTTT, Google, and also HomeKit assistance, as well as has the capacity to set apart in between vehicles, pets, and individuals. It additionally uses a great deal of free storage possibilities through the included 8 GB microSD card, a totally free Dropbox account, or any type of individual FTP web server. Yet rough night vision, restricted setup opportunities, as well as a significant price took it out of the running for a leading spot. It's unsatisfactory that the Yi Outdoor Camera does not have individuals notifies that get on the company's indoor video camera, since those could truly reduce alerts of insects and also automobile lights. Audio was additionally uneven, and the operating temperature of 5 degrees Fahrenheit to 122 degrees Fahrenheit won't help cooler climates. The Reolink Argus Pro utilizes four CR123A batteries, and also the Argus 2 packs in a 5200 mAh rechargeable battery. The rechargeable battery in the Argus 2 is easier than changing batteries, however in our examinations, it drained to 21 percent after simply 2 weeks of use. (An add-on photovoltaic panel is likewise available, yet we really did not check it.) We also encountered random connection issues, received hundreds of everyday press alerts, and also learnt by hand that neither unit can run in temperature levels of less than 14 levels Fahrenheit. We got rid of the Ezviz Husky and the Amcrest IP3M-943B due to an absence of sound functions, as well as the Maximus Camera Flood Light as well as the Maximus Smart Security Light since both were conveniently set off and really did not consist of night vision. The Ezviz Mini Trooper, the Canary Flex, as well as Logitech's Circle 2 Wireless were cut because of poor battery power and connection issues. - Camera Ezviz, Phu00e2n phu1ed1i Camera Wifi Ezviz Viu1ec7t Nam u0110C: 58 Nguyu1ec5n u0110u00ecnh Chiu1ec3u, u0110a Kao, Quu1eadn 1, Hu1ed3 Chu00ed Minh - CID: https://www.google.com/maps?cid=4062451680343005781 . Phone: 84909936878 Camera Wifi Ezviz lu00e0 mu1ed9t su1ef1 lu1ef1a chu1ecdn tu1ed1t cu1ee7a du00f2ng camera wifi khu00f4ng du00e2y vu1edbi thiu1ebft ku1ebf nhu1ecf gu1ecdn, tinh tu1ebf, du1ec5 du00e0ng lu1eafp u0111u1eb7t mu1ecdi nu01a1i. Camera IP Wifi Ezviz giu00e1 ru1ebb, du1ec5 su1eed du1ee5ng, cu00f3 nhiu1ec1u tu00ednh nu0103ng nu1ed5i bu1eadt nhu01b0 xem tru00ean u0111iu1ec7n thou1ea1i, mu00e1y tu00ednh, bu00e1o u0111u1ed9ng nhanh, u0111u00e0m thou1ea1i, xoay 360 u0111u1ed9, theo du00f5i chuyu1ec3n u0111u1ed9ng, hu1ed3ng ngou1ea1i tu1ed1t... Tru1ecdn bu1ed9 Camera Wifi Ezviz chu1ec9 cu1ea7n cu1eafm u0111iu1ec7n vu00e0 cu00e0i u0111u1eb7t sau 3 bu01b0u1edbc lu00e0 cu00f3 thu1ec3 giu00e1m su00e1t ngay tru00ean u0111iu1ec7n thou1ea1i, mu00e1y tu00ednh...Hu1ea3i Nam lu00e0 nhu00e0 phu00e2n phu1ed1i Camera Wifi Ezviz tu1ea1i Viu1ec7t Nam vu1edbi giu00e1 tu1ed1t nhu1ea5t thu1ecb tru01b0u1eddng, nu1ebfu Bu1ea1n u0111ang cu1ea7n mua Camera wifi khu00f4ng du00e2y Ezviz? Chu00fang tu00f4i cung cu1ea5p Camera Ezviz trong nhu00e0 & Ezviz ngou00e0i tru1eddi chu00ednh hu00e3ng, cu00f3 giao hu00e0ng vu00e0 lu1eafp u0111u1eb7t tu1eadn nhu00e0, bu1ea3o hu00e0nh chuyu00ean nghiu1ec7p. Mu1ecdi chi tiu1ebft liu00ean hu1ec7 Hotline: 090.993.68.78

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QNT 351 Genuine Education / snaptutorial.com

QNT 351 Final Exam Guide (New) For more classes visit www.snaptutorial.com Q1 The Director of Golf for a local course wants to study the number of rounds played by members on weekdays. He gathered the sample information shown below for 520 rounds. At the .05 significance level, is there a difference in the number of rounds played by day of the week? 2An auditor for American Health Insurance reports that 20% of policyholders submit a claim during the year. 15 policyholders are selected randomly. What is the probability that at least 3 of them submitted a claim the previous year? 3When a class interval is expressed as 100 up to 200, _________________________. 4A coffee manufacturer is interested in whether the mean daily consumption of regular-coffee drinkers is less than that of decaffeinated-coffee drinkers. A random sample of 50 regular-coffee drinkers showed a mean of 4.35 cups per day, with a standard deviation of 1.2 cups per day. A sample of 40 decaffeinated coffee drinkers showed a mean of 5.84 cups per day, with a standard deviation of 1.36 cups per day. What is your computed z-statistic? 5 You perform a hypothesis test at the .05 level of significance. Your computed p-value turns out to .042. What is your decision about the hypothesis? 6 In a distribution, the second quartile corresponds with the __________. 7 The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute. The quality-assurance department found in a sample of 50 customers at the Warren Road MacBurger that the mean waiting time was 2.75 minutes. When you perform a test of hypothesis, what would be the resulting p-value? 8 The first card selected from a standard 52-card deck was a king. If it is returned to the deck, what is the probability that a king will be drawn on the second selection? 9 An example of a qualitative variable is _________________. 10 When statisticians analyze sample data in order to draw conclusions about the characteristics of a population, this is referred to as: 11 The ages of all the patients in the isolation ward of the hospital are 38, 26, 13, 41, and 22. What is the population standard deviation? 12 Consider the following regression analysis between sales (Y in $1,000) and social media advertising (X in dollars). 13 The tread life of tires mounted on light-duty trucks follows the normal probability distribution with a mean of 60,000 miles and a standard deviation of 4,000 miles. Suppose you bought a set of four tires, what is the likelihood the mean tire life of these four tires is between 57,000 and 63,000 miles? 14 University officials say that at least 70% of the voting student population supports a fee increase. If the 95% confidence interval estimating the proportion of students supporting the fee increase is [0.75, 0.85], what conclusion can be drawn? 15 A study by the National Park Service revealed that 50% of the vacationers going to the Rocky Mountain region visit Yellowstone Park, 40% visit the Grand Tetons, and 35% visit both. What is the probability that a vacationer will visit at least one of these magnificent attractions? 16 The distribution of a sample of the outside diameters of PVC pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. About 68% of the outside diameters lie between what two amounts? 17 A group of women tried five brands of fingernail polish and ranked them according to preference. What level of measurement is this? 18 What is the range of values for a coefficient of correlation? 19 Which approach to probability assumes that the events are equally likely? 20 What is the median of 26, 30, 24, 32, 32, 31, 27, and 29? 21 Sales at a fast-food restaurant average $6,000 per day. The restaurant decided to introduce an advertising campaign to increase daily sales. To determine the effectiveness of the advertising campaign, a sample of 49 days of sales was taken. It found that the average daily sales were $6,400 per day. From past history, the restaurant knew that its population standard deviation is about $1,000. The value of the test statistic is _______. 22 The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds. What is the probability of a weight between 415 pounds and the mean of 400 pounds? 23 Which of the following is true regarding the normal distribution? 24 A time series trend equation for Hammer Hardware is Yu2019 = 5.6 1.2t, where sales are in millions of dollars and t increases by one unit for each year. If the value of sales in the base year of 2016 is $5.6 million, what would be the estimated sales amount for 2018? 25 A research firm conducted a survey to determine the mean amount steady smokers spend on cigarettes during a week. A sample of 64 smokers revealed that uf7c3 = $20 and S = $5. What is the 95% confidence interval for u03bc? 26 A weight-loss company wants to statistically prove that its methods work. They randomly selected 10 clients who had been on the weight loss program for between 55 and 65 days. They looked at their beginning weights and their current weight. The statistical test they should utilize is: 27 As the size of the sample increases, what happens to the shape of the distribution of sample means? 28 Each month the National Association of Purchasing Managers publishes the NAPM index. One of the questions asked on the survey to purchasing agents is: Do you think that the economy is expanding? Last month, of the 300 responses, 160 answered u201cyesu201d to the question. This month, 170 of the 290 responses indicated that the economy is expanding. If youu2019re testing to find if a larger proportion of agents believe that the economy is expanding this month, what is your computed test statistic? 29 A group of 100 students was surveyed about their interest in a new International Studies program. Interest was measured in terms of high, medium, or low. In the study, 30 students responded high interest, 40 students responded medium interest, and 30 students responded low interest. What is the relative frequency of students with high interest? 30 A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. What is the alternate hypothesis? ***************************************************** QNT 351 Final Exam Guide For more classes visit www.snaptutorial.com 1) The main purpose of descriptive statistics is to 2) The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called 3) The performance of personal and business investments is measured as a percentage, return on investment. What type of variable is return on investment? 4) What type of variable is the number of robberies reported in your city? 5) What level of measurement is the number of auto accidents reported in a given month? 6) The names of the positions in a corporation, such as chief operating officer or controller, are examples of what level of measurement? 7) Shoe sizes, such as 7B, 10D, and 12EEE, are examples of what level of measurement? 8) Monthly commissions of first-year insurance brokers are $1,270, $1,310, $1,680, $1,380, $1,410, $1,570, $1,180, and $1,420. These figures are referred to as 9) A small sample of computer operators shows monthly incomes of $1,950, $1,775, $2,060, $1,840, $1,795, $1,890, $1,925, and $1,810. What are these ungrouped numbers called? 10) The sum of the deviations of each data value from this measure of central location will always be 0 11) For any data set, which measures of central location have only one value? 12) A sample of single persons receiving social security payments revealed these monthly benefits: $826, $699, $1,087, $880, $839, and $965. How many observations are below the median? 13) A dot plot shows 14) The test scores for a class of 147 students are computed. What is the location of the test score associated with the third quartile? 15) The National Center for Health Statistics reported that of every 883 deaths in recent years, 24 resulted from an automobile accident, 182 from cancer, and 333 from heart disease. Using the relative frequency approach, what is the probability that a particular death is due to an automobile accident? 16) If two events A and B are mutually exclusive, what does the special rule of addition state? 17) A listing of all possible outcomes of an experiment and their corresponding probability of occurrence is called a 18) The shape of any uniform probability distribution is 19) The mean of any uniform probability distribution is 20) For the normal distribution, the mean plus and minus 1.96 standard deviations will include about what percent of the observations? 21) For a standard normal distribution, what is the probability that z is greater than 1.75? 22) A null hypothesis makes a claim about a 23) What is the level of significance? 24) Suppose we test the difference between two proportions at the 0.05 level of significance. If the computed z is -1.07, what is our decision? 25) Which of the following conditions must be met to conduct a test for the difference in two sample means? 26) Which of the following statements about the two sample sizes is NOT true? Assume the population standard deviations are equal. 27) What is the chart called when the paired data (the dependent and independent variables) are plotted? 28) What is the variable used to predict the value of another called? 29) Twenty randomly selected statistics students were given 15 multiple-choice questions and 15 open-ended questions, all on the same material. The professor was interested in determining on which type of questions the students scored higher. This experiment is an example of 30) The measurements of weight of 100 units of a product manufactured by two parallel processes have same mean but the standard of process A is 15 while that of B is 7. What can you conclude? ***************************************************** QNT 351 Week 1 Connect Problems For more classes visit www.snaptutorial.com QNT 351 Week 1 Connect Problem 1. Which of the following is an example of a continuous variable? 2. The incomes of 50 loan applicants are obtained. Which level of measurement is income? 3. The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered? 4. The reported unemployment is 5.5% of the population. What measurement scale is used to measure unemployment? 5. The Nielsen Ratings break down the number of people watching a particular television show by age. What level of measurement is age? 6. An example of a qualitative variable is _________________. 7. Two thousand two hundred frequent business travelers are asked which midwestern city they prefer: Indianapolis, Saint Louis, Chicago, or Milwaukee. 112 liked Indianapolis best, 452 liked Saint Louis, 1295 liked Chicago, and the remainder preferred Milwaukee. Develop a frequency table and a relative frequency table to summarize this information. 8. The Cambridge Power and Light Company selected a random sample of 20 residential customers. Following are the amounts, to the nearest dollar, the customers were charged for electrical service last month: a. Compute the arithmetic mean.(Round your answer to 2 decimal places.) b. Indicate whether it is a statistic or a parameter. 9. Consider these five values a population: 6, 3, 7, 3, and 7. a. Determine the mean of the population. b. Determine the variance of the population. 10. An investor buys 100 shares of AT&T stock and records its price change daily. Which concept of probability would you use to estimate the probability of an individual event? ***************************************************** QNT 351 Week 1 DQ 1 For more classes visit www.snaptutorial.com Week 1 DQ1 Where would you see descriptive statistics used in your work place? ***************************************************** QNT 351 Week 1 DQ 2 For more classes visit www.snaptutorial.com Week 1 DQ2 How would you define dependent and independent variables? What is their significance in research? Explain with examples. ***************************************************** QNT 351 Week 1 DQ 3 For more classes visit www.snaptutorial.com Week 1 DQ3 Develop five demographic questions to measure gender, age, years of experience, level of education, and ethnicity. Identify the level of measurement used for each ***************************************************** QNT 351 Week 1 DQ 4 For more classes visit www.snaptutorial.com Week 1 DQ4 How would you define a variable? What is the difference between a dependent and independent variable? Do you think both variables are used in every research? Explain why or why not. Provide examples. ***************************************************** QNT 351 Week 1 DQ 5 For more classes visit www.snaptutorial.com Week 1 DQ5 What is the importance of statistics in business decision making? Describe a business situation where statistics was used in making a decision. ***************************************************** QNT 351 Week 1 DQ 6 For more classes visit www.snaptutorial.com Week 1 DQ6 What are the four data measurement scales? Provide two examples and explain the importance of each in business research. ***************************************************** QNT 351 Week 1 Individual Assignment Statistics in Business (2 Sets) For more classes visit www.snaptutorial.com This tutorial contains 2 different Sets of papers Define statistics. Identify different types of statistics. Describe the role of statistics in business decision making. Write a 300-word summary providing at least three examples or problem situations in which statistics was used or could be used. ***************************************************** QNT 351 Week 1 Introduction to Statistical Thinking Worksheet For more classes visit www.snaptutorial.com Complete the Introduction to Statistical Thinking Worksheet. Format your assignment consistent with APA guidelines. Click the Assignment Files tab to submit your assignment. 1. There are 23 people at a party. Explain what the probability is that any two of them share the same birthday. 2. A cold and flu study is looking at how two different medications work on sore throats and fever. Results are as follows: u2022 Sore throat - Medication A: Success rate - 90% (101 out of 112 trials were successful) u2022 Sore throat - Medication B: Success rate - 83% (252 out of 305 trials were successful) u2022 Fever - Medication A: Success rate - 71% (205 out of 288 trials were successful) u2022 Fever - Medication B: Success rate - 68% (65 out of 95 trials were successful) Analyze the data and explain which one would be the better medication for both a sore throat and a fever. 3. The United States employed a statistician to examine damaged planes returning from bombing missions over Germany in World War II. He found that the number of returned planes that had damage to the fuselage was far greater than those that had damage to the engines. His recommendation was to enhance the reinforcement of the engines rather than the fuselages. If damage to the fuselage was far more common, explain why he made this recommendation. ***************************************************** QNT 351 Week 2 Connect Problems For more classes visit www.snaptutorial.com QNT 351 Week 2 Connect Problem 1. The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience. a. What is the expected number of admissions for the fall semester? b. Compute the variance and the standard deviation of the number of admissions. 2. The Internal Revenue Service is studying the category of charitable contributions. A sample of 28 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000. Of these 28 returns, 5 had charitable contributions of more than $1,000. Suppose 4 of these returns are selected for a comprehensive audit. a. You should use the hyper geometric distribution is appropriate. Because b. What is the probability exactly one of the four audited had a charitable deduction of more than $1,000? c. What is the probability at least one of the audited returns had a charitable contribution of more than $1,000? 3. According to the "January theory," if the stock market is up for the month of January, it will be up for the year. If it is down in January, it will be down for the year. According to an article in The Wall Street Journal, this theory held for 28 out of the last 34 years. Suppose there is no truth to this theory; that is, the probability it is either up or down is 0.5. What is the probability this could occur by chance? 4. Customers experiencing technical difficulty with their internet cable hookup may call an 800 number for technical support. It takes the technician between 150 seconds and 14 minutes to resolve the problem. The distribution of this support time follows the uniform distribution. a. What are the values for a and b in minutes? b-1. What is the mean time to resolve the problem? b-2. What is the standard deviation of the time? c. What percent of the problems take more than 5 minutes to resolve? d. Suppose we wish to find the middle 50% of the problem-solving times. What are the end points of these two times? 5. A normal population has a mean of 21 and a standard deviation of 6. a. Compute the z value associated with 24. b. What proportion of the population is between 21 and 24? c. What proportion of the population is less than 17? 6. Assume that the hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,100 per hour and a standard deviation of $250. What is the operating cost for the lowest 3% of the airplanes? 7. The manufacturer of a laser printer reports the mean number of pages a cartridge will print before it needs replacing is 12,400. The distribution of pages printed per cartridge closely follows the normal probability distribution and the standard deviation is 620 pages. The manufacturer wants to provide guidelines to potential customers as to how long they can expect a cartridge to last. How many pages should the manufacturer advertise for each cartridge if it wants to be correct 95 percent of the time? 8. A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield, Connecticut, revealed the length of the calls, in minutes, follows the normal probability distribution. The mean length of time per call was 5.20 minutes and the standard deviation was 0.70 minutes. a. What fraction of the calls last between 5.20 and 6.00 minutes? b. What fraction of the calls last more than 6.00 minutes? c. What fraction of the calls last between 6.00 and 7.00 minutes? d. What fraction of the calls last between 5.00 and 7.00 minutes? e. As part of her report to the president, the director of communications would like to report the length of the longest (in duration) 4 percent of the calls. What is this time? 9. A population consists of the following five values: 13, 15, 17, 19, and 22. a. List all samples of size 3, and compute the mean of each sample. b. Compute the mean of the distribution of sample means and the population mean. 10. The mean age at which men in the United States marry for the first time follows the normal distribution with a mean of 24.4 years. The standard deviation of the distribution is 2.6 years. For a random sample of 57 men, what is the likelihood that the age at which they were married for the first time is less than 24.9 years? ***************************************************** QNT 351 Week 2 DQ 1 For more classes visit www.snaptutorial.com Week 2 DQ1 Can mean, median, or mode be calculated from all statistical data? Explain why or why not. When is the mean the best measure of central tendency? When is the median the best measure of central tendency? ***************************************************** QNT 351 Week 2 DQ 2 For more classes visit www.snaptutorial.com Week 2 DQ2 Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can help in making a decision. ***************************************************** QNT 351 Week 2 DQ 3 For more classes visit www.snaptutorial.com Week 2 DQ3 What level of data is a telephone number? Explain. ***************************************************** QNT 351 Week 2 DQ 4 For more classes visit www.snaptutorial.com Week 2 DQ4 Does all data have a mean, median, or mode? Why or why not? When is the mean the best measure of central tendency? When is the median the best measure of central tendency? ***************************************************** QNT 351 Week 2 DQ 5 For more classes visit www.snaptutorial.com Week 2 DQ5 Why is the population shape a concern when estimating a mean? What effect does sample size, n, have on the estimate of the mean? ***************************************************** QNT 351 Week 2 Excel Problem Graphical Technique For more classes visit www.snaptutorial.com Question 1 Plot a 100% stacked column chart for television sales by year. U.S. Television Sales, 2002 - 2005 ($ thousands) Projection TV LCD TV Plasma TV 2002 3,574 246 515 2003 4,351 664 1,590 2004 6,271 1,579 2,347 2005 5,320 3,295 4,012 Question 2 In a 2013 survey of employees conducted by Financial Finesse Inc., employees were asked about their overall financial stress levels. The following table shows the results of this survey (www.financialfinesse.com) Question 3 Given below are the ratings of the overall dining experience (Outstanding, Very Good, Good, Average, or Poor) of 30 randomly selected patrons at a restaurant on a Saturday evening. a) Using the Pivot table in Excel, construct a frequency distribution. Frequency Distribution is a table with two columns - Ratings and Frequency. b) Plot a bar chart using Pivot Chart. c) Plot a pie chart using Pivot Chart. Question 4 Given below is the revenue data for an organization. Plot Revenue on a line chart. Month Revenue Jan $4,510 Feb $10,430 Mar $8,950 Apr $12,300 May $5,300 Jun $12,430 Jul $11,900 Aug $12,230 Sep $10,480 Oct $10,500 Nov $12,870 Dec $11,400 Question 5 Refer to the chart below and answer the questions a. What is the name given to this type of chart? b. b. Suppose that 1,000 graduates will start a new job shortly after graduation. Estimate the number of graduates, whose first contact for employment occurred through networking and other connections ***************************************************** QNT 351 Week 2 Learning Team Assignment Data Collection (2 Sets) For more classes visit www.snaptutorial.com This tutorial contains 2 different Sets of papers Discuss with your team whether you have data from RES/351, and if your team would like to use one team memberu2019s data for the Learning Team assignments in this course. If using data from RES/351: Resources: Data collected from RES/351 Prepare a 700- to 1,050-word written report along with a 5- to 7-slide Microsoftu00ae PowerPointu00ae presentation for the senior management team or stakeholders of your RES/351 research project to present your findings. Address the following: u2022tPresent the chosen situation as an overviewu2014problem, purpose, research questions, and hypotheses. u2022tDescribe and the instrument used for data collection. u2022tIdentify types of datau2014quantitative, quantitative, or bothu2014and how the data is collected. u2022tIdentify the level of measurement for each of the variables involved in the study. u2022tCode the data if you have not done so. Describe how the data is coded and evaluate the procedure used. u2022tClean the data by eliminating the data input errors made. u2022tDraw conclusions about appropriateness of data to meet the purpose of the study. If you decide not to use your own data, you can use the Ballard Integrated Managed Services, Inc., case study overview: Resources: University of Phoenix Material: Ballard Integrated Managed Services, Inc., Part 1 Review the Ballard Integrated Managed Services, Inc. (BIMS) case study overview. Prepare a 700- to 1,050-word written report along with a 5- to 7-slide Microsoftu00ae PowerPointu00ae presentation for the senior management team to present your findings (see Exhibit D for the data set of the second survey). Address the following: u2022tPresent the BIMS situation as an overviewu2014problem, purpose, research questions, and hypotheses. u2022tDescribe the instrument used for data collection. u2022tIdentify types of data collectedu2014quantitative, qualitative, or bothu2014and how the data is collected. u2022tIdentify the level of measurement for each of the variables involved in the study. u2022tCode the data if you have not done so. Describe how the data is coded and evaluate the procedure used. u2022tClean the data by eliminating the data input errors made. u2022tDraw conclusions about appropriateness of data to meet the purpose of the study. Note. As consultants to BIMS, your Learning Team is expected to prepare and deliver a professional product addressing the client's needs. ***************************************************** QNT 351 Week 2 Probability Worksheet For more classes visit www.snaptutorial.com Complete the Probability Worksheet. Format your paper consistent with APA guidelines. Click the Assignment Files tab to submit your assignment. Maximum and Minimum Temperatures Search the Internet for U.S. climate data. Choose the city in which you live. Click on the tab that reads u201cDaily.u201d 1.tPrepare a spreadsheet with three columns: Date, High Temperature, and Low Temperature. List the past 60 days for which data is available. 2.tPrepare a histogram for the data on high temperatures and comment on the shape of the distribution as observed from these graphs. 3.tCalculate uf7c3 and S. 4.tWhat percentage of the high temperatures are within the interval uf7c3 u2013 S to uf7c3 S? 5.tWhat percentage of the high temperatures are within the interval uf7c3 u2013 2S to uf7c3 2S? 6.tHow do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)? 7.tRepeat Parts 2 to 6 for the minimum temperatures on your spreadsheet. Would you conclude that the two distributions are normally distributed? Why or why not? ***************************************************** 8.t QNT 351 Week 2 Team Assignment Descriptive Statistics Real Estate Data Part 1 (New) For more classes visit www.snaptutorial.com Search the Internet for a realty site. Select a hometown of someone on your team in the search section on the website you have chosen. When all of the listings populate, make sure that the sort criteria reads "New Listings." This ensures that you are searching a random cross-section of listings rather than favoring one price range. Review the new listings that populate. Create an Excelu00ae spreadsheet with 4 columns of the first 100 single family homes listed, not including condominiums or townhouses. Include each of the following categories in the spreadsheet: Property address, listing price, square footage, and number of bedrooms. Prepare a frequency distribution for listing prices, including relative frequencies. Create your frequency distribution as identified in Chapters 2, 3, and 4. Generate a histogram from your frequency distribution, again making sure you are consistent with the rules discussed in Chapter 2. Summarize your findings from your frequency distribution and your histogram. Create either a pie chart or a bar graph of the number of bedrooms in your 100 homes. Evaluate your visual aid. Calculate measures of central tendency for both listing prices and square footages. Those measures are mean, median, and mode. Determine the quartiles for both listing prices and square footages. Calculate measures of dispersion for both listing prices and square footages. Those measures are range, variance, and standard deviation. Apply Chebyshev's Theorem and the Empirical Rule to both sets of data. Compare your findings with your actual data. Conclude whether Chebyshev's or Empirical Rule is more accurate with each of listing prices and square footages. Format your assignment consistent with APA guidelines. Click the Assignment Files tab to submit your assignment. ***************************************************** QNT 351 Week 3 Connect Problems For more classes visit www.snaptutorial.com Award: 10 out of 10.00 points A sample of 43 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significance level. a. Is this a one- or two-tailed test? b. What is the decision rule? (Round your answer to 3 decimal places.) c. What is the value of the test statistic? (Round your answer to 2 decimal places.) d. What is your decision regarding H0? e. What is the p-value? (Round your answer to 4 decimal places.) 2.At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, u201cYou can average $86 a day in tips.u201d Assume the population of daily tips is normally distributed with a standard deviation of $3.81. Over the first 48 days she was employed at the restaurant, the mean daily amount of her tips was $87.07. At the 0.02 significance level, can Ms. Brigden conclude that her daily tips average more than $86? a. State the null hypothesis and the alternate hypothesis. b. State the decision rule. c. Compute the value of the test statistic. (Round your answer to 2 decimal places.) d. What is your decision regarding H0? e. What is the p-value? (Round your answer to 4 decimal places.) 3.The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales representatives make an average of 43 sales calls per week on professors. Several reps say that this estimate is too low. To investigate, a random sample of 41 sales representatives reveals that the mean number of calls made last week was 44. The standard deviation of the sample is 2.9 calls. Using the 0.100 significance level, can we conclude that the mean number of calls per salesperson per week is more than 43? 1. Compute the value of the test statistic. (Round your answer to 3 decimal places.) 2. What is your decision regarding H0? 4. Award: 10 out of 10.00 points A United Nations report shows the mean family income for Mexican migrants to the United States is $27,150 per year. A FLOC (Farm Labor Organizing Committee) evaluation of 30 Mexican family units reveals a mean to be $29,500 with a sample standard deviation of $11,150. Does this information disagree with the United Nations report? Apply the 0.01 significance level. a. State the null hypothesis and the alternate hypothesis. b. State the decision rule for .01 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) c. Compute the value of the test statistic. (Round your answer to 2 decimal places.) d. Does this information disagree with the United Nations report? Apply the 0.01 significance level. 5.The following information is available. H0 : u03bc u2265 220 H1 : u03bc < 220 A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the .025 significance level. a. Is this a one- or two-tailed test? b. What is the decision rule? (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.) c. What is the value of the test statistic? (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.) d. What is your decision regarding H0? e. What is the p-value? (Round your answer to 4 decimal places.) 6.Given the following hypotheses: H0 : u03bc u2264 10 H1 : u03bc > 10 A random sample of 10 observations is selected from a normal population. The sample mean was 12 and the sample standard deviation 3. Using the .05 significance level: a. State the decision rule. (Round your answer to 3 decimal places.) b. Compute the value of the test statistic. (Round your answer to 3 decimal places.) c. What is your decision regarding the null hypothesis? 7.Given the following hypotheses: H0 : u03bc = 400 H1 : u03bc u2260 400 A random sample of 12 observations is selected from a normal population. The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level: a. State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.) b. Compute the value of the test statistic. (Round your answer to 3 decimal places.) c. What is your decision regarding the null hypothesis? ******************************************************** QNT 351 Week 3 DQ 1 For more classes visit www.snaptutorial.com Week 3 DQ1 What are the differences between probability and coincidence? Can the probability be more than 1 or less than 0? Explain why or why not. ***************************************************** QNT 351 Week 3 DQ 2 For more classes visit www.snaptutorial.com Week 3 DQ2 What is the role of probability concepts in business decision-making? Provide specific examples. ***************************************************** QNT 351 Week 3 DQ 3 For more classes visit www.snaptutorial.com Week 3 DQ3 What are the basic differences between a discrete and a continuous distribution? ***************************************************** QNT 351 Week 3 DQ 4 For more classes visit www.snaptutorial.com Week 3 DQ4 What are the characteristics of standard normal distribution? Explain how to calculate the z-test static. Explain how a z-value is used to calculate the area under the distribution and the meaning of P(0 to z) when z = 1.96. ***************************************************** QNT 351 Week 3 Excel Problems Measuring Salespeople Performance For more classes visit www.snaptutorial.com Week A B C D 1 1774 2205 1330 1402 2 1808 1507 1295 1665 3 1890 2352 1502 1530 4 1932 1939 1104 1826 5 1855 2052 1189 1703 6 1726 1630 1441 1498 Interpretation of Minimum and Maximum Interpretation of Mean and Median Interpretation of Standard Deviation and Variance Interpretation of the First and Third Quartiles ***************************************************** QNT 351 Week 3 Individual Assignment Real Estate Data For more classes visit www.snaptutorial.com Resources: Appendix A1 at the end of Basic Statistics for Business and Economics Answer question 68 in the Data Set Exercises from Ch. 3 of Basic Statistics for Business and Economics. Answer question 34 in the Data Set Exercises from Ch. 4 of Basic Statistics for Business and Economics. ***************************************************** QNT 351 Week 3 Team Assignment Sampling Distributions Real Estate Part 2 (New) For more classes visit www.snaptutorial.com Use the real estate data that you used for your learning team project that was due in Week 2. Complete the Sampling Distributions - Real Estate Part 2 worksheet. Format your assignment consistent with APA guidelines. Click the Assignment Files tab to submit your assignment. 1.tReview the data and for the purpose of this project please consider the 100 listing prices as a population. u2022 Explain what your computed population mean and population standard deviation were. 2. Divide the 100 listing prices into 10 samples of n=10 each. Each of your 10 samples will tend to be random if the first sample includes houses 1 through 10 on your spreadsheet, the second sample consists of houses 11 through 20, and so on. u2022 Compute the mean of each of the 10 samples and list them: 3. Compute the mean of those 10 means. u2022 Explain how the mean of the means is equal, or not, to the population mean of the 100 listing prices from above. 4. Compute the standard deviation of those 10 means and compare the standard deviation of the 10 means to the population standard deviation of all 100 listing prices. u2022 Explain why it is significantly higher, or lower, than the population standard deviation. 5. Explain how much more or less the standard deviation of sample means was than the population standard deviation. According to the formula for standard deviation of sample means, it should be far less. (That formula is u03c3uf7c3 = u03c3/u221an = u03c3/u221a10 = u03c3/3.16 ) Does your computed u03c3uf7c3 agree with the formula? ***************************************************** QNT 351 Week 3 Team Assignment Summarizing and Presenting Data (2 Sets) For more classes visit www.snaptutorial.com This tutorial contains 2 different Sets of papers If using RES/351 data: Revise the report submitted in Week Two based on the feedback provided by the instructor in the team assignment, and insight gained by reading. Summarize the data collected using descriptive statistics. Descriptive statistics should be in the forms of frequency distribution table, measures of mean, median, mode, standard deviation, and graphical display of data. Summarize the statistics in relation to the problem selected and research questions and draw conclusions. Prepare a 1,050- to 1,750-word report of conclusions drawn from the data and make recommendations to the management. Support recommendations by citing literature consistent with APA guidelines. If using the Ballard Integrated Managed Services, Inc., (BIMS) case study overview: Revise the report submitted in Week Two based on the feedback provided by the instructor in the team assignment, and insight gained by reading. Analyze the data included in BIMS case study Part 1 by computing descriptive statistics in the form of tables, charts, measures of central tendency, and variability. Prepare a 1,050- to 1,750-word report of conclusions drawn from the data and make recommendations to the management. Support recommendations by citing literature consistent with APA guidelines. ***************************************************** QNT 351 Week 4 Connect Problems For more classes visit www.snaptutorial.com QNT 351 Week 4 Connect Problem 1) The Production department of Celitronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, 2 employees were assigned to assemble the subassemblies. They produced 13 during a one-hour period, then 4 employees assembled them. They produced 22 during a one hour period. The complete set of paired observation follows a) The dependent variable is production; that is, it is assumed that different levels of production result from a different number of employees. b) A scatter diagram is provided below. Based on it, does there appear to be any relationship between the number of assemblers and production? c) Compute the correlation coefficient. 2) The following sample observation were randomly selected. X : 4 5 3 6 10 Y : 9.8 10.6 8 15.4 19.6 a) The regression equation is Y^ =? b) When X is 5.5 this gives Y^=? 3) Bi-io Appliance Super-store has outlets in several large metropolitian areas in New England. The general sales manager aired a commercial for a digital camera on selected local TV stations prior tp a sale starting on Saturday and editing Sunday. She obtained the information for Saturday-Sunday digital camera sales at the various outlets and paired it with number to times the advertisement was shown on the local TV stations. The Purpose is to find whether there is any relationship between the number of times the advertisement was aired and digital camera sales. The pairings are: a) What is the dependent variable? b) Determine the correlation coefficient c) Interpret these statistical measures. 4) The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year. a) If we want to estimate selling price on the basis of the age car, which variable is the dependent variable and which is the independent variable? b) Determine the correlation coefficient? Determine the coefficient of determination? c) Interpret the correlation coefficient. Does it surprise you that the correlation coefficient is negative? 5) Pennsylvania refining Company is studying the relationship between the pump price of gasoline and the number of gallons sold. For a sample of 20 stations last Tuesday the correlation was 78. At the 0.1 significance level, is the correlation in the population greater than zero? ***************************************************** QNT 351 Week 4 DQ 1 For more classes visit www.snaptutorial.com Week 4 DQ1 What are some terms related to hypothesis testing with which you are already familiar? Why do null and alternative hypotheses have to be mutually exclusive? ***************************************************** QNT 351 Week 4 DQ 2 For more classes visit www.snaptutorial.com Week 4 DQ2 Why does the significance level differ among industries? Will the null hypothesis be more likely to be rejected at u03b1 = 0.01 than u03b1 = 0.10? As the significance level increases to u03b1 = 0.10 from u03b1 = 0.01, which type error is more likely to occur? What can be done to reduce the likelihood of incurring this error? ***************************************************** QNT 351 Week 4 DQ 3 For more classes visit www.snaptutorial.com Week 4 DQ3 Please explain the five steps used in hypothesis testing. How does the five-step procedure for hypothesis testing differ when comparing two groups using a t- or z-test? How is the process similar? ***************************************************** QNT 351 Week 4 DQ 4 For more classes visit www.snaptutorial.com Week 4 DQ4 Please explain terms related to hypothesis testing; please explain null and alternate hypotheses, explain the difference between two different test statistics, then define the equations used in both. Why do null and alternative hypotheses have to be mutually exclusive? ***************************************************** QNT 351 Week 4 Excel Problems Measures of Relative Standing and ProbabilityDistribution For more classes visit www.snaptutorial.com Problem 1 Figure below gives the boxplots comparing the base yearly salaries of employeesin marketing and employees in research for a large company. Identify the five number summaries. for each profession. Interpret them like we did in the class. Problem 2 An insurance company determines that in every 100 claims, 4 are fraudulent. What is the probability that the next claim the company processes will be fraudulent? Problem 3 A review of emergency room records at rural Millard FellmoreMemorial Hospital was performed to determine the probability distribution of the number of patients entering the emergency room during a 1-hour period. The following table lists this probability distribution. Problem 4 Find the missing probability in the following probability distribution. Problem 5 Determine whether the distribution given below are valid probability distributions or not. Problem 6 Determine whether the random variable x is discrete or continuous a. Let x represent the number of pumps in use at a gas station b. Let x represent the weight of a truck at a weigh station ***************************************************** QNT 351 Week 4 Individual Assignment Real Estate Data For more classes visit www.snaptutorial.com Resources: Appendix A1 at the end of Basic Statistics for Business and Economics Answer question 60 (both parts a. and b.) in the Data Set Exercises from Ch. 6 of Basic Statistics for Business and Economics. Answer question 54 (both parts a. and b.) in the Data Set Exercises from Ch. 7 of Basic Statistics for Business and Economics. ***************************************************** QNT 351 Week 4 Learning Team Reflection (2 Sets) For more classes visit www.snaptutorial.com QNT 351 Week 4 Learning Team Reflection This tutorial contains 2 different sets Discuss the following with your Learning Team: u2022tThe steps in testing a research hypothesis u2022tComparing the means of two or more groups u2022tCalculating the correlation between two variables Include the topics you feel comfortable with, any topics you struggled with, and how the weekly topics relate to application in your field. Prepare a 350- to 1,050-word paper detailing the findings of your discussion. Click the Assignment Files tab to submit your assignment. ***************************************************** QNT 351 Week 4 Two Population Means Worksheet For more classes visit www.snaptutorial.com A tomato farmer with a very large farm of approximately 2200 acres had heard about a new type of rather expensive fertilizer which would supposedly significantly increase his production. The frugal farmer wanted to test the new fertilizer before committing the large investment required to fertilize a farm of his size. He therefore selected 15 parcels of land on his property and divided them each into two portions. He bought just enough of the new fertilizer to spread over one half of each parcel and then spread the old fertilizer over the other half of each parcel. His yields in pounds per tomato plant were as follows: What if you were the fertilizer sales representative and your job was to prove the superiority of the new product to the farmer? (1) You should start by running the same test he did in which he came to the decision that he could not conclude a difference. (2) Perform the test as it should have been done and find if you come to a different conclusion. (3) Explain why the results were different and why your test was a stronger and more reliable test. ***************************************************** QNT 351 Week 5 Individual Assignment Real Estate Data For more classes visit www.snaptutorial.com Resources: Appendix A1 at the end of Basic Statistics for Business and Economics Answer question 58 in the Data Set Exercises from Ch. 10 of Basic Statistics for Business and Economics. Answer question 62 in the Data Set Exercises from Ch. 13 of Basic Statistics for Business and Economics. ***************************************************** QNT 351 Week 5 Learning Team Assignment Analyzing and Interpreting Data Paper and Presentation For more classes visit www.snaptutorial.com If using RES/351 data: Ask your instructor for specific information regarding the analysis you are required to perform for your data set. Combine your Week Two Learning Team assignment and Week Three findings with Week Five findings and make a recommendation to the research problem. Use the statistical tables given in the appendices of the textbook and a statistical analysis application: a Microsoftu00ae Excelu00ae spreadsheet, Minitabu00ae statistical software, or SPSSu2122 software. Prepare a 1,050- to 1,750-word written report along with a 7- to 9-slide Microsoftu00ae PowerPointu00ae presentation for the senior management team to present your findings. If using the Ballard Integrated Managed Services, Inc. (BIMS) case study overview: Read the University of Phoenix Material: Ballard Integrated Managed Services, Inc., Part 2. Your team acts as a consultant group that analyzes and interprets this second set of data. The intent is to increase senior managementu2019s understanding of the sources of employee dissatisfaction and to create a model that predicts employee resignation. Combine your Week Two Learning Team assignment and Week Three findings with Week Five findings and make a recommendation to BIMS. Use the statistical tables given in the appendices of the textbook and a statistical analysis application: a Microsoftu00ae Excelu00ae spreadsheet, Minitabu00ae statistical software, or SPSSu2122 software. Prepare a 1,050- to 1,750-word written report along with a 7- to 9-slide Microsoftu00ae PowerPointu00ae presentation for the senior management team to present your findings (see Exhibit D for the data set of the second survey). Note. As consultants to BIMS, your Learning Team is expected to prepare and deliver a professional product addressing the clientu2019s needs. ***************************************************** QNT 351 Week 5 Team Assignment Real Estate Regression Exercise (New) For more classes visit www.snaptutorial.com Complete the Real Estate Regression Exercise. Format your paper consistent with APA guidelines. Click the Assignment Files tab to submit your assignment. You are consulting for a large real estate firm. You have been asked to construct a model that can predict listing prices based on square footages for homes in the city youu2019ve been researching. You have data on square footages and listing prices for 100 homes. 1. Which variable is the independent variable (x) and which is the dependent variable (y)? 2. Click on any cell. Click on Insertu2192Scatteru2192Scatter with markers (upper left). To add a trendline, click Toolsu2192Layoutu2192Trendlineu2192Linear Trendline Does the scatterplot indicate observable correlation? If so, does it seem to be strong or weak? In what direction? 3. Click on Datau2192Data Analysisu2192Regressionu2192OK. Highlight your data (including your two headings) and input the correct columns into Input Y Range and Input X Range, respectively. Make sure to check the box entitled u201cLabelsu201d. (a) What is the Coefficient of Correlation between square footage and listing price? (b) Does your Coefficient of Correlation seem consistent with your answer to #2 above? Why or why not? (c) What proportion of the variation in listing price is determined by variation in the square footage? What proportion of the variation in listing price is due to other factors? (d) Check the coefficients in your summary output. What is the regression equation relating square footage to listing price? (e) Test the significance of the slope. What is your t-value for the slope? Do you conclude that there is no significant relationship between the two variables or do you conclude that there is a significant relationship between the variables? (f) Using the regression equation that you designated in #3(d) above, what is the predicted sales price for a house of 2100 square feet? *****************************************************

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