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The daily production rates for a sample of factory workers before and after a training program are ...

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The daily production rates for a sample of factory workers before and after a training program are ...

The daily production rates for a sample of factory workers before and after a training program are shown below. Let d = After - Before.

Worker	Before	After
1	6	9
2	10	12
3	9	10
4	8	11
5	7	9

We want to determine if the training program was effective.

a.	Give the hypotheses for this problem.
b.	Compute the test statistic.
c.	At 95% confidence, test the hypotheses. That is, did the training program actually increase the production rates?

Textbook

Essentials of Statistics for Business and Economics

Edition: 7^th

Authors: Anderson, Sweeney, Williams, Camm, Cochran

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