Question
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
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 9 randomly selected students are 74, 72, 70, 68, 63, 72, 69, 74 and 73.
x = ?
Margin of error at 99% confidence level = ???
99 % confidence interval = [ ? , ? ]
[smaller value, larger value]
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Introductory Real Analysis
Authors: A N Kolmogorov, S V Fomin, Richard A Silverman
1st Edition
0486134741, 9780486134741
