Mathematics, 01.12.2021 04:10 yay47

A report of Frontier Airlines conducted a study to estimate average passenger plus carry-on weights. They found an average summer weight of 183 pounds and a winter average of 190 pounds. Suppose that each of these estimates was based on a random sample of 100 passengers and that the sample standard deviation were 20 pounds for summer weights and 23 pounds for the winter weights. Construct and interpret 95% confidence interval for the mean summer weight and mean winter weight of Frontier Airlines passengers.

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A report of Frontier Airlines conducted a study to estimate average passenger plus carry-on weights....