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. The test statistic is
a. 1.50
b. 0.67
c. 1.56
d. 2.25
D
Business
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