A random sample of 15 registered nurses in a large hospital showed that they worked on average

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A random sample of 15 registered nurses in a large hospital showed that they worked on average 44.2 hours per week. The standard deviation of the sample was 2.6. Estimate the mean of the population with 90% confidence.

Assume that all variables are approximately normally distributed.

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Elementary Statistics A Step By Step Approach

ISBN: 9781259755330

10th Edition

Authors: Allan G. Bluman

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Question Posted: Sep 06, 2018 10:59 AM

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A random sample of 15 registered nurses in a large hospital showed that they worked on average

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x 442 s 26 44...View the full answer

Elementary Statistics A Step By Step Approach

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