Question: Consider the situation of Exercise 10.23. Use the sample information to test H0: 21 = 22 versus Ha: 21 = 22 with a = .05.

Consider the situation of Exercise 10.23. Use the sample information to test H0: σ21 = σ22 versus Ha: σ21 = σ22 with a = .05. Based on this test, does it make sense to believe that the unequal variances procedure is appropriate? Explain.

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