Question: Refer to Exercise 15.1. Suppose the alternative hypothesis is that distribution 1 is shifted either to the left or to the right of distribution 2.

Refer to Exercise 15.1. Suppose the alternative hypothesis is that distribution 1 is shifted either to the left or to the right of distribution 2.
a. Should you use T1 or T*1 as the test statistic?
b. What is the rejection region for the test if α = .05?
c. What is the rejection region for the test if α = .01?

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