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A historian believes that the average height. of soldiers in World War II was greater than that of soldiers in World War 1. She examines

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A historian believes that the average height. of soldiers in World War II was greater than that of soldiers in World War 1. She examines a random sample of records of 101 men in each war and notes standard deviations of 2.5 and 2.3 inches in World War I and World War II, respectively. If the averag: height of the sample of World War II soldiers is 1 inch greater than the average height of the sample of World War I soldiers, what conclusion is justied from a two-sample hypothesis test where H0 : m = p32 and Ha : in

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