Use the Wi lcoxon Rank Sum test on the data in the following table to determine whether the locati onof the populati on A is to the left of the locati on of population B.Data756073668190721038278AB

Wilcoxon rank sum test statistic is given by, T = Minimum{T1, T2} Where T1 is the sum of the rank of…

Answered: Use the Wilcoxon Rank Sum test on the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that two dependent samples have been randomly selected from normally distributed populations. A test of abstract reasoning is given to a random sample of students before and after they completed a formal logic course. The results are given below. Before 74 80 72 80 80 67 93 85 91 77 After 73 80 70 83 78 68 90 82 87 75 Provide a 90% CI on the difference. Round your answers to 3 decimals. Provide negative signs when appropriate. Use leading zeros for values less than 1. Lower Limit: Upper Limit: Based on the results of your CI, what is the conclusion to a two-tailed hypothesis test at alpha = .10? Reject Ho / Do Not Reject Ho Do the results suggest there is a difference in means at alpha = .10? Yes / No
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Use the Wilcoxon Rank Sum test on the data in the following table to determine whether the Locati on of the population A is to the Left of the locati on of population B. Data A 75 60 73 66 81 B 90 72 103 82 78