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F-stat calculation for upholstery business

An upholstery business is studying differences between two of its major outlet stores in the time it takes customers to receive furniture that was custom ordered. The following data shows a sample of delivery times for the most popular types of furniture:

(see chart in attached file)

Which of the following is the correct F statistic for testing the equality of the variance for these two samples?

A. 0.599
B. 0.774
C. 0.935
D. 1.018

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Solution Summary

The solution explains how to calculate an f-stat to test for the equality of variance in an upholstery business.

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