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Question
A company attempts to evaluate the potential for a new bonus plan by selecting a sample of 4 salespersons to use the bonus plan for a trial period. The weekly sales volume before and after implementing the bonus plan is shown below. (For the following matched samples, let the difference "d" be d = after -before.)| Weekly Sales | ||
| Salesperson | Before | After |
| 1 | 44 | 48 |
| 2 | 40 | 48 |
| 3 | 36 | 38 |
| 4 | 50 | 44 |
a. State the hypotheses.
b. Compute the test statistic.
c. Use Alpha = .05 and test to see if the bonus plan will result in an increasein the mean weekly sales.
Answer
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