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 8 randomly selected students are 69, 66, 73, 71, 70, 71, 61 and 71. x = Margin of error at 95% confidence level = 95% confidence interval =

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 8 randomly selected students are 69, 66, 73, 71, 70, 71, 61 and 71. T = 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] 2 Check Next