Question
Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 4 inches. The
Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 4 inches. The heights of 9 randomly selected students are 72, 69,66,74,73,66,67,61,61
SOLVE:
X=
Margin of error at 95% confidence level =
95% confidence interval = ( small, large)
.
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Calculus
Authors: Laura Taalman, Peter Kohn
1st Edition
1464153035, 9781464153037
