Exhibit 11-2 We Are Interested in Determining Whether or Not the Variances

Multiple Choice

Exhibit 11-2
We are interested in determining whether or not the variances of the sales at two music stores (A and B) are equal. A sample of 26 days of sales at store A has a sample standard deviation of 30 while a sample of 16 days of sales from store B has a sample standard deviation of 20.
-Refer to Exhibit 11-2. At 95% confidence the null hypothesis

A) should be rejected
B) should not be rejected
C) should be revised
D) None of these alternatives is correct.