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A consumer advocate claims that there is no difference in the variance of the

number of hours that two companies' batteries will last. A sample of 15 batteries is selected from company X and the variance of hours is 24. A sample of 11 batteries from company Y has a variance of 40. At a=0.05, test the claim that there is no difference in the variance of the life of the batteries.Show formulas and work

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fail to reject Ho and conclude that there is sufficient... View the full answer

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