Question: I need help solving this problem Confidence Intervals ion Start Suppose the mean height in inches of all 9th grade students at one high school

I need help solving this problem Confidence Intervals ion Start Suppose

I need help solving this problem

Confidence Intervals ion Start 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 9 randomly selected students are 67, 62, 71, 66 71, 65, 74 61 and 74 I = EXIN2.34 Margin of error at 99% confidence level = Ex. 1.23 99% confidence interval = [ Ex: 12.34 Ex: 12 34 Ismaller value, larger value] 7 Check

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