Solved: The sample mean production rate for the 18 employees was 80, Basic Statistics

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The sample mean production rate for the 18 employees was 80

In testing of a new production method, 18 employees were randomly selected and asked to try the new method. The sample mean production rate for the 18 employees was 80 parts per hour. The sample standard deviation was 10 parts per hour. Construct the 90% confidence interval estimate for the mean production rate for the new method.

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Basic Statistics: The sample mean production rate for the 18 employees was 80

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