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A sample of 53 catfish was caught and their lengths measured. The average length is 16.1 inches and the variance is 30. Suppose you want

A sample of 53 catfish was caught and their lengths measured. The average length is 16.1 inches and the variance is 30. Suppose you want to prove that the average length is greater than 14.5 inches (put that in the alternate hypothesis), do the 5% test

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