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Problem

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10 Nov 2021

Given information

The sample mean is 71 inches, the sample standard deviation is 2.8 inches and the sample size is 48.

From the previous task, the confidence interval for the mean population height is (70.19, 71.81)

Step-by-step explanation

Step 1.

The error bound is half the difference between the lower and upper limit of the confidence interval:

 

 

 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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