Suppose the heights of adult men are normally distributed. The heights of a sample of 30 men are shown below, in inches. 65, 83, 69, 67, 69, 67, 67, 72, 85, 68, 73, 65, 67,65, 72, 71, 67, 73, 68, 72, 61, 75, 66, 78, 65, 71, 68, 76, 67, 68.
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