Exhibit 11-7 We want to test the hypothesis that population B has a smaller variance than population A.
-To avoid the problem of having access to tables of the F distribution with values for the lower tail when a one-tail test is required, let

Question

Exhibit 11-7  We want to test the hypothesis that population B has a smaller variance than population A.
-To avoid the problem of having access to tables of the F distribution with values for the lower tail when a one-tail test is required, let

Quizplus · Accepted Answer

The sample variance from the population with the smaller hypothesized variance should be the numerator of the test statistic because this will result in a larger test statistic and a smaller p-value, which is desired when a one-tail test is required.

Exhibit 11-7 We Want to Test the Hypothesis That