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202350 2596341.qx32qy Jump to level 1 Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population

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202350 2596341.qx32qy 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 5 inches. The heights of 7 randomly selected students are 68, 62, 75, 71, 63, 72 and 73 C = Ex: 12.34+ Margin of error at 90% confidence level = Ex: 1.23 90% confidence interval = [ Ex: 12.34 Ex: 12.34 [smaller value, larger value] Check Next

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