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Home Q & A Board Science-Related Homework Help Mathematics
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Jbev757 Jbev757
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6 years ago
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. .67
  c. 1.56
  d. 2.25
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Bflint101Bflint101
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6 years ago
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Jbev757 Author
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6 years ago
You make an excellent tutor!
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Thanks for your help!!
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