Suppose You Want to Use the Wilcoxon Rank Sum Test

question 58

Short Answer

Suppose you want to use the Wilcoxon rank sum test to detect a shift in distribution 1 to the right of distribution 2, based on samples of sizes = 7 and = 9.
Should you use T₁ or T₁* as the test statistic?
______________
What is the rejection region for the test if = 0.05?
Reject if the test statistic ______________.
What is the rejection region for the test if = 0.01?
Reject if the test statistic ______________.

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