Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 4inches. The heights of 9 randomly selected students are 62, 71, 60, 72, 73, 63, 62, 69 and 73.

Suppose the mean height in inches of all 9th grade students at one high school is 2 estimated. The population standard deviation is 4 inches. The heights of 9 randomly selected students are 62, 71, 60, 72, 73, 63, 62, 69 and 73. a = Ex: 12.34 @ Margin of error at 99% confidence level = Ex: 1.23 99% confidence interval = [ Ex: 12.342 Ex: 12.34@ [smaller value, larger value] 2 Check Next