October 8, 2015

Homework Help: Statistics

Posted by Tony on Sunday, October 24, 2010 at 9:36pm.

n a hospital 24 operating rooms were sampled. The mean noise level was 41.6 decibels and the standard deviation was 7.5. What is the 95% confidence interval of the true mean of the noise levels in the operating rooms? If possible, can you list the steps you used. I'm having a hard time calculating these results. Thanks.

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