'Stratified random sample' diaporamas de présentation

Chapter 5: Producing Data

Chapter 5: Producing Data. 5.1 Designing Samples 5.2 Designing Experiments 5.3 Simulating Experiments. Types of Studies. Observational Study We observe individuals and measure variables of interest, but no attempt is made to affect the outcomes.

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Accuracy Assessment

Accuracy Assessment. A ccuracy A ssessment Because it is not practical to test every pixel in the classification image, a representative sample of reference points in the image with known class values is used. Sources of Errors. Ground Reference Test pixels

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Chapter 7

Chapter 7. Obtaining Subjects. Learning Objectives. Determine the valid connection between the study sample, study population, and theoretical population Identify and assemble appropriate sampling frames Select samples using appropriate sampling methods Recruit and retain study participants

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Stats: Modeling the World

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Chapter 5 Stratified Random Sampling

Chapter 5 Stratified Random Sampling. Advantages of stratified random sampling How to select stratified random sample Estimating population mean and total Determining sample size, allocation Estimating population proportion; sample size and allocation Optimal rule for choosing strata.

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Chapter 18

Chapter 18. Additional Topics in Sampling. Steps in Sampling Study. Step 6 : Conclusions?. Step 5 : Inferences From. Step 4 : Obtaining Information?. Step 3 : Sample Selection?. Step 2 : Relevant Population?. Step 1 : Information Required?. Examples of Nonsampling Errors.

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Chapter 5 Stratified Random Sampling

Chapter 5 Stratified Random Sampling. Advantages of stratified random sampling How to select stratified random sample Estimating population mean and total Determining sample size, allocation Estimating population proportion; sample size and allocation Optimal rule for choosing strata.

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Algebra 1 Glencoe McGraw-Hill JoAnn Evans

Math 8H. 12-1 Sampling and Bias. Algebra 1 Glencoe McGraw-Hill JoAnn Evans.

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Please get out materials for notes.

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Stats Review

Stats Review. Chapter 3. 3.1 First Step in Producing Data . Experiment Design The arrangement or patterns for producing data How many individuals to collect data from? How to select individuals? How to form groups if needed?. Anecdotal Evidence

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Statistics for IT

www.hndit.com. Statistics for IT. Lecture 2: Data Collecting and Sampling. www.hndit.com. Course Objectives. After completing this module, students should be able to Identify the methods of data collecting. Identify the four basic sampling techniques.

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Campus Academic Assessment Committee (CAAC)

Campus Academic Assessment Committee (CAAC). May 13 th , 2014. Campus Academic Assessment Committee. 1. Mission: Student Learning Assessment Emphasis

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Sampling Designs

Sampling Designs. Simple Random Sample (SRS). Stratified Random Sample. Cluster Sample. Cluster Sample. Systematic Sample. Multistage Sample where you use multiple designs like doing a stratified then breaking each strata into clusters and doing a census on random clusters.

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13.5 Analyze Surveys and Samples

13.5 Analyze Surveys and Samples. Essential Question: How do you identify populations and sampling methods?. 1. You toss a coin and spin the spinner. How many outcomes are in the sample space?. 2. You spin the spinner twice. How many outcomes are in the sample space?. 25. 10. ANSWER.

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Producing Innovations: Determinants of Innovativity and Efficiency

Producing Innovations: Determinants of Innovativity and Efficiency. 09 September 2011 DEGIT XVI, St-Petersburg. Jaap W. Bos Maastricht University Ryan van Lamoen Utrecht School of Economics and Mark Sanders Utrecht School of Economics m.w.j.l.sanders@uu.nl. Motivation.

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Please get out materials for notes. Make sure to grab a outline at the front desk.

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Lesson 7.5 M2 Select & Draw Conclusions from Samples

Lesson 7.5 M2 Select & Draw Conclusions from Samples. A survey is a study of one or more characteristics of a group. The entire group you want information about is called a population . A sample is a part of the population. Types of Samples.

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Aim: What is a sample design?

Aim: What is a sample design?. Chapter 3.2 Sampling Design. Sample Surveys. Sample Surveys: an important kind of observational study Sample: draw data from a particular group in order to draw conclusions about the whole. Population VS Sample.

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Testing your hypothesis

Choosing the Best Method for Sekeran Process. Testing your hypothesis. Abstract.

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