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The average height of females in the freshman class of a certain college has historically been 162.9 centimeters with a standard deviation of 7.1 centimeters.

The average height of females in the freshman class of a certain college has historically been 162.9 centimeters with a standard deviation of 7.1 centimeters. Is there reason to believe that there has been a change in the average height if a random sample of 40 females in the present freshman class has an average height of 165.8 centimeters? Use a P-value in your conclusion. Assume the standard deviation remains the same

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