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