Question: Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 2 inches.

Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 2 inches. The heights of 6 randomly selected students are 60, 75, 64, 74, 75 and 75 ax: 1284 Margin of error at 99% confidence level = 99% confidence interval = Ex: 12.34 ] [smaller value, larger value]

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