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Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 3 inches. The
Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 3 inches. The heights of 8 randomly selected students are 69, 62, 73, 70, 67, 70, 69 and 66.
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