Essay
The daily production rates for a sample of factory workers before and after a training program are shown below. Let d = After - Before. 
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?
Correct Answer:
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a.H0: 
d ...View Answer
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Correct Answer:
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