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Author Question: Independent random samples from two populations are shown in the table. Use the Wilcoxon rank sum ... (Read 228 times)

Zoey63294

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on: Feb 14, 2020

Question 1

Suppose you want to compare two treatments, A and B. In particular, you wish to determine whether the distribution for population B is shifted to the right of the distribution for population A. You plan to use the Wilcoxon rank sum test.

a. Specify the null and alternative hypotheses you would test.

b. Suppose you obtained the following independent random samples of observations on experimental units subjected to the two treatments. Conduct the test of hypotheses described above, using α = .05.

Sample A: 1.2, 1.5, 2.3, 3.2, 3.7, 4.1
Sample B: 2.5, 2.8, 3.6, 4.2, 4.5

Question 2

Independent random samples from two populations are shown in the table.

 

Use the Wilcoxon rank sum test to determine whether the data provide sufficient evidence to indicate a shift in the locations of the probability distributions of the sampled populations. Use
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by Zoey63294 on Feb 14, 2020

joneynes

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Reply #1 on: Feb 14, 2020
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Zoey63294

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Reply 2 on: Feb 14, 2020
Gracias!

31809pancho

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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