Question

In Problem 10.43, assume that two samples are selected from independent normally distributed populations.
a. At the 0.05 level of significance, is there evidence of a difference between σ21 and σ22?
b. Suppose that you want to perform a one tail test. At the 0.05 level of significance, what is the upper tail critical value of F to determine whether there is evidence that σ21 > σ22 ? What is your statistical decision?


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  • CreatedJuly 16, 2015
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