Find population standard deviation

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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 heights of 10 randomly selected students are 69, 71, 67, 66, 65, 65, 63, 62, 74 and 63.

x¯ =

Margin of error at 99% confidence level =

Reference no: EM133033767

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