For a sample of  6  operating rooms taken in a hospital study, the mean noise level was  38.8  decibels and the standard deviation was  11.4 . Find the  90%  confidence interval of the true mean of the noise levels in the operating rooms. Assume the variable is normally distributed. Round your answers to at least two decimal places.     <<μ

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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For a sample of 

6

 operating rooms taken in a hospital study, the mean noise level was 

38.8

 decibels and the standard deviation was 

11.4

. Find the 

90%

 confidence interval of the true mean of the noise levels in the operating rooms. Assume the variable is normally distributed. Round your answers to at least two decimal places.

 

 
<<μ
 
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