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?