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Confidence intervals for population means Jump to level 1 Suppose the mean height in inches of all 9th grade students at one high school is

Confidence intervals for population means
Jump to level 1 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 7 randomly selected students are 74, 72 75, 67 70 67 and 72 I = 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] Check Next Feed

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