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 10 randomly selected students are 65 ,62 64,65 ,73 ,67 ,74 ,75 and 69.
x=
Margin of error at 99% confidence level =
99% confidence interval = [
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A First Course in Differential Equations with Modeling Applications
Authors: Dennis G. Zill
11th edition
1305965728, 978-1305965720
