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For male students, they know that the average height is 70 inches. A sample of 75 persons who have been selected for a special class

For male students, they know that the average height is 70 inches. A sample of 75 persons who have been selected for a special class is taken. These students have an average height of 73 inches, with a standard deviation of 8 inches. Present a hypothesis, a null hypothesis, evaluate the hypothesis (reject the null hypothesis or not), and explain what you have found.

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