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

question 10

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. The test statistic is

• A)1.50
• B)0.67
• C)1.56
• D)2.25