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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…
Psychology 210 Psychometric Methods Hypothesis Testing A procedure for determining which of two (or more) mutually exclusive statements is more likely true We classify hypothesis…
Hypothesis Tests for Numerical DataRyan Miller 2/23 Introduction I The previous lecture introduced the t-distribution I You can view the t-distribution as a modified version
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…
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…
What is a statistic? NHST ingredients; rejection regions Simple and composite hypotheses Frequentist school of statistics p-values, t-tests, χ2-tests, confidence intervals.
Slide 1Basic Statistics II Slide 2 Significance/hypothesis tests Slide 3 RCT comparing drug A and drug B for the treatment of hypertension 50 patients allocated to A 50 patients…
HYPOTHESIS TESTING HYPOTHESIS TESTING WITH Z TESTS Arlo Clark-Foos Review: Standardization Allows us to easily see how one score (or sample) Allows us to easily see how one…
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…
STAT 135 Lab 6 Duality of Hypothesis Testing and Confidence Intervals GLRT Pearson χ2 Tests and Q-Q plots Rebecca Barter March 8 2015 The duality between CI and hypothesis…
Slide 1 Stat 31, Section 1, Last Time Hypothesis Testing –Careful about 1-sided vs. 2-sided Connection: CIs - Hypo Tests 3 Traps of Hypo Testing –Statistically Sign’t…
Lecture 5: Hypothesis Testing Sandy Eckel [email protected] 28 April 2008 1 / 29 Recap: Statistical Inference Estimation Point estimation Confidence intervals Hypothesis Testing…
Hypothesis Testing with Hypothesis Testing with tt TestsTests A l Cl k FArlo Clark-Foos Using Samples to Estimate Using Samples to Estimate Population ParametersPopulation…
Hypothesis Testing Examples Hypothesis Testing Examples Test of Hypothesis Concerning normal population, infinite, Large Samples, with known population variance. ( Z Test)…
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…
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…