Question

Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 6 inches. The heights of 7 randomly selected students are 66, 64, 74, 64, 70, 74 and 72. x= margin of error at 90% confidence interval=? 90% confidence interval= [?, ?]

Name: suppose the mean height in inches of all 9th grade students at one high school is estimated the population standard deviation is 6 inches the heights of 7 randomly selected students are 66 6 82728
Uploaded: 2022-05-22T12:19:46-08:00
Duration: 2 min 38 s
Channel: Chris Mcmanus
Description: suppose the mean height in inches of all 9th grade students at one high school is estimated the population standard deviation is 6 inches the heights of 7 randomly selected students are 66 6 82728

          Suppose the mean height in inches of all 9th grade students at
one high school is estimated. The population standard deviation is
6 inches. The heights of 7 randomly selected students are 66, 64,
74, 64, 70, 74 and 72.
x=
margin of error at 90% confidence interval=?
90% confidence interval= [?, ?]

Added by Michael G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

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05/22/2022

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Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 6 inches. The heights of 7 randomly selected students are 66, 64, 74, 64, 70, 74 and 72. x= margin of error at 90% confidence interval=? 90% confidence interval= [?, ?]