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University of California, Los Angeles Department of Statistics Statistics 13 Instructor: Nicolas Christou Hypothesis testing • Elements of a hypothesis test: 1. Null hypothesis,…
20 FUNDAMENTALS of HYPOTHESIS TESTING Errors in Decision Making Possible Hypothesis Test Outcomes Actual Situation Decision H0 True H0 False Do Not Reject H0 No Error Probability…
Ch7 Scatterplots, Association, and Correlation Two statistical inference methods: Confidence interval Estimator +/- Margin of Error Hypothesis testing Hypothesis: H0 v.s.…
155S8.12_3 Basics of Hypothesis Testing 1 March 30, 2011 Chapter 8 Hypothesis Testing 81 Review and Preview 82 Basics of Hypothesis Testing 83 Testing a Claim about a Proportion…
CHAPTER 7 HYPOTHESIS TESTING WITH ONE SAMPLE Hypothesis testing in this chapter test the value of a population parameter population mean μ or population proportion p against…
UNIT 3 TESTING OF HYPOTHESES • • • • • Introduction Tests based on normal distribution ( Large sample test ) Student’s t test Senedecor’s F test χ2 test 3.1…
Slide 1 Chapter 8: Testing Statistical Hypothesis http://www.rmower.com/statistics/Stat_HW/0801HW_sol.htm Slide 2 Hypothesis: Examples 1.Parameter: π = proportion of cats…
Confidence intervals and hypothesis testing Petter Mostad 2005.10.03 Confidence intervals (repetition) Assume μ and σ2 are some real numbers, and assume the data X1,X2,…,Xn…
Hypothesis Testing with z tests Hypothesis Testing with z tests Arlo Clark-Foos Review: Standardization Allows us to easily see how one score (or sample) compares with all…
What is a statistic? NHST ingredients; rejection regions Simple and composite hypotheses Frequentist school of statistics p-values, t-tests, χ2-tests, confidence intervals.
Statistics and Hypothesis Testing Michael Ash Lecture 5 But first let’s finish some material from last time Summary of Main Points I We will never know population parameters…
Non-parametric Hypothesis Testing ProceduresProcedures Hypothesis Testing General Procedure for Hypothesis Tests 1. Identify the parameter of interest. 2. Formulate the null…
Lecture 5: Hypothesis Testing Sandy Eckel [email protected] 28 April 2008 1 / 29 Recap: Statistical Inference Estimation Point estimation Confidence intervals Hypothesis Testing…
1. Statistical Test of Hypothesis ( Part 2) 2. Small-Sample Tests of Hypothesis For cases having a small sample size a specialized ( derived) distribution is employed to…
Slide 1 Hypothesis test flow chart frequency data Measurement scale number of variables 1 basic χ2 test (19.5) Table I χ2 test for independence (19.9) Table I 2 correlation…
Slide 1 Hypothesis test flow chart frequency data Measurement scale number of variables 1 basic χ2 test (19.5) Table I χ2 test for independence (19.9) Table I 2 correlation…
Slide 1 Hypothesis test flow chart frequency data Measurement scale number of variables 1 basic χ2 test (19.5) Table I χ2 test for independence (19.9) Table I 2 correlation…
Ch. 9 Fundamental of Hypothesis Testing There two types of statistical inferences, Estimation and Hypothesis Testing Hypothesis Testing: A hypothesis is a claim (assumption)…
Ch. 9 Fundamental of Hypothesis Testing There two types of statistical inferences, Estimation and Hypothesis Testing Hypothesis Testing: A hypothesis is a claim (assumption)…
Slide 1 6.1 - One Sample Mean μ, Variance σ 2, Proportion π 6.2 - Two Samples Means, Variances, Proportions μ1 vs. μ2 σ12 vs. σ22 π1 vs. π2 6.3 - Multiple Samples…