Mathematics, 27.06.2020 23:01 dlatricewilcoxp0tsdw
We are interested in determining whether the variances of the sales at two music stores (A and B) are equal. A sample of 25 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. 2.25
c. 1.56
d. .67
Answers: 2
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