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Suppose you are going to test the followinghypothesis H 0 : mu 1 >=mu 2 ; you do not assume that the variances are known.

Suppose you are going to test the followinghypothesis H0: mu1>=mu2; you do not assume that the variances are known. There are 40 dfand alpha=.01. In this case there is one rejection region. What is the critical value? Be sure that your critical value has the right sign. Since your t table only goes to four decimal places you only need to answer to four decimal places for this question.

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