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Mommy22 Mommy22
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8 months ago
State University offers several sections of a Business Statistics course in an in-class and online format. Both formats are administered the same final exam each year. You have been assigned to test the hypothesis that the standard deviation for the final exam score of in-class students is different from the standard deviation of the final exam score of online students. The following data summarizes the sample statistics for the final exam scores for students from each format. 



Test the hypothesis using α = 0.05.
Textbook 

Business Statistics


Edition: 2nd
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lierac00lierac00
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8 months ago
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Because F = 1.76 is less than Fα/2 = 2.368, we fail to reject the null hypothesis. We do not have enough evidence to conclude that the standard deviation for the final exam scores of in-class students is different from the standard deviation of the final exam scores of online students.

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Mommy22 Author
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8 months ago
Smart ... Thanks!
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