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Two companies offer delivery services to the airport. Don wants to know if it matters who he selects to deliver in that area. The companies'

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Two companies offer delivery services to the airport. Don wants to know if it matters who he selects to deliver in that area. The companies' delivery patterns are shown below in minutes. Use Alpha = .01 and test to see if the variance between the two delivery companies are significantly different. (NOTE: Data below may be copied into Excel) Company A Company B 15 16 11 21 10 17 10 16 14 17 10 10 15 16 12 19 10 8 11 17 10 16 12 14 12 10

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