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Crash Course on Basic Statistics

Crash Course on Basic StatisticsMarina Wahl, of New York at Stony BrookNovember 6, 20132 Contents1 Basic Basic Definitions .. Probability of Events .. Bayes Theorem ..62 Basic Types of Data .. Errors .. Reliability .. validity .. Probability Distributions .. Population and Samples .. Bias .. Questions on Samples .. Central Tendency ..93 The Normal Distribution114 The Binomial Distribution135 Confidence Intervals156 Hypothesis Testing177 The t-Test198 Regression239 Logistic Regression2510 Other Topics2711 Some Related Questions2934 CONTENTSC hapter 1 Basic Basic DefinitionsTrials?

2.4 Validity How well a test or rating scale measures what is supposed to measure: ... Predictive validity: the ability to draw infer-ences about some event in the future. 2.5 Probability Distributions? Statistical inference relies on making assump-tions about the way data is distributed, trans- ... longitudinal study (a study in which subjects ...

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