The daily production rates for a sample of factory workers before and after a training program are
Question:
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.
Give the hypotheses for this problem.
Compute the test statistic.
At 95% confidence, test the hypotheses. That is, did the training program actually increase the production rates?
Business Statistics
ISBN: 978-0321925831
3rd edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman