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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 5 inches. The

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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 5 inches. The heights of 10 randomly selected students are 66, 66, 74, 70, 75, 60, 63, 60, 63 and 69. = Ex: 12.34 Margin of error at 95% confidence level = Ex: 1.23 95% confidence interval = [ Ex: 12.34 Ex: 12.34 [smaller value, larger value]

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