Mathematics, 22.04.2020 22:12 morgandodd2001
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. At 95% confidence, the null hypothesis .
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We are interested in determining whether the variances of the sales at two music stores (A and B) ar...
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