'Normal model' diaporamas de présentation

Last Time

Last Time. Z-score interpretation of populations Normal probability distributions Lists of #s Inverse Normal Probabilities Quantiles, i.e. Percentiles Excel computation: NORMINV Quality control Q-Q plots Visual diagnostic for normality. Reading In Textbook.

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Chapter 7 Confidence Intervals for a Population Mean ?; t distributions

Chapter 7 Confidence Intervals for a Population Mean ?; t distributions. t distributions t confidence intervals for a population mean ? Sample size required to estimate ?. The Importance of the Central Limit Theorem.

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Absence from work A question of attitude? Results from the IPAW * study * Intervention Project on Absence and Well-bein

Absence from work A question of attitude? Results from the IPAW * study * Intervention Project on Absence and Well-being. T. S. Kristensen, L. Smith-Hansen & M. L. Nielsen National Institute of Occupational Health Copenhagen, Denmark. The normal model of absence from work. Work environment.

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Po-Ching Lin Dept. of CSIE National Chung Cheng University

Casting out Demons: Sanitizing Training Data for Anomaly Sensors in IEEE Symp . on S&P 2008 G. F. Cretu , A. Stavrou , M. E. Locasto , S. J. Stolfo and A. D. Keromytis. Po-Ching Lin Dept. of CSIE National Chung Cheng University. Problem definition.

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7-1 and 7-2 Sampling Distribution Central Limit Theorem

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10.3 Estimating a Population Proportion

10.3 Estimating a Population Proportion. Objectives: Given a sample proportion determine the standard error of . Construct a confidence interval for a population proportion.

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A Day of Classy Review

A Day of Classy Review. Shifting and Scaling. SAT/ACT Max SAT: 1600 (old school) Max ACT: 36 SAT = 40 x ACT + 150. ACT Summary Stats: Lowest = 19 Mean = 27 SD = 3 Q3 = 30 Median = 28 IQR = 6 Find equivalent SAT scores. SAT and ACT. ACT Summary Stats: Lowest = 19 Mean = 27 SD = 3

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Coin Slide

Coin Slide. Are you game? Timothy Kariger and Taylor Young. The procedure. Participants slide coins across a desk, trying to get the coin to stop in a goal zone marked by tape. Categories of data we recorded are: finger used to slide coin, gender, preferred coin, and number of coins landed.

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Thumb Dexterity vs. Gaming

Thumb Dexterity vs. Gaming. By: Jimmy Lavery Brandon Dalessandro. Huh? Please Explain. People have said that video games can actually improve your hand-eye coordination Wanted to see whether this hypothesis was true. Our Test.

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The Normal Model

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Assumptions and Conditions

Assumptions and Conditions. AP Statistics. Assumptions. Many statistical methods (ex. confidence intervals, one-proportion z -tests, Bernoulli trials) are based on important assumptions. Those methods cannot be applied or used unless those conditions are met.

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Chapter 20: Testing Hypotheses About Proportions

Chapter 20: Testing Hypotheses About Proportions. (Halfway through Unit 5 in AP Statistics). Hypothesis Proving ? ? bad word. Hypothesis = Conjecture we assume is true Data consistent w H ? Fail to Reject H (support, retain) Data inconsistent w H ? Reject H

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The Bootstrap

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Inference About Slope of a Regression Line

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P-Value

P-Value. Review Answers. Dr. Klucksky chose p 0 = 50% because if his chickens have no predictive powers, he should expect their predictions to be accurate 50% of the time.

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Honors Statistics

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