Noise levels at various area urban hospitals were measured in decibels. The mean of the noise levels

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Noise levels at various area urban hospitals were measured in decibels. The mean of the noise levels in 84 corridors was 61.2 decibels, and the standard deviation of the population was 7.9. Find the 95% confidence interval of the true mean.

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Elementary Statistics A Step By Step Approach

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8th Edition

Authors: Allan Bluman

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Question Posted: Sep 02, 2015 03:55 AM

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Noise levels at various area urban hospitals were measured in decibels. The mean of the noise levels

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z 2 s n z 2 s n 61...View the full answer

Elementary Statistics A Step By Step Approach

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