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Ci for the population mean production rate

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In the testing of a new production method, 18 employees were selected randomly and asked to try the new method. The sample mean production rate of the 18 employees was 80 parts per hour and the sample standard deviation was 10 parts per hour. Assume that the population has a normal probability distribution and construct the 90% CI for the population mean production rate.

Reference no: EM131743163

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