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Decision Making (Hypothesis Testing) 11 Oct 2011 BUSI275 Dr. Sean Ho HW5 due Thu Work on REB forms Outline for today Decision making and hypothesis testing Null hypothesis…
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…
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…
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…
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…
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…
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…