Hospital Noise Levels For a sample of 22 operating rooms taken in a hospital study, the mean noise level was 43.2 decibels, and the standard deviation was 7.3. Find the 91% confidence interval of the true mean of the noise levels in the operating rooms. Assume the variable is normally distributed. Use a graphing calculator and round the answers to at least one decimal place.
Hospital Noise Levels For a sample of 22 operating rooms taken in a hospital study, the mean noise level was 43.2 decibels, and the standard deviation was 7.3. Find the 91% confidence interval of the true mean of the noise levels in the operating rooms. Assume the variable is normally distributed. Use a graphing calculator and round the answers to at least one decimal place.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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