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Interval Data
A courier service in a large city tracks the number of deliveries they are asked to make by
clients both before and after offering a progressive discount for repeat business. Their goal is to assess the effects of the discount.
|
Before |
After |
||||
| 1 | 0 | ||||
| 2 | 20 | ||||
| 3 | |||||
| 4 | 25 | 50 | |||
| 5 | |||||
| 6 | 75 | ||||
| 7 | |||||
| 8 | |||||
| 9 | 60 | ||||
| 35 |
- What is the most appropriate statistical test in this situation? Why?
- Are there significant differences in the number of deliveries?
- If the goal is to promote repeat business, should the discount be continued?
