[See Steps] (1.5 marks) It is claimed that a particular training course will increase the sales of insurance sales persons by an extra 5 policies per week.
Question: (1.5 marks)
It is claimed that a particular training course will increase the sales of insurance sales persons by an extra 5 policies per week. A company sends 8 randomly selected sales persons to attend the course. The weekly sales of these people before and after the course are listed below. Does the sample data support the claim? Assume =0.10.
[Hint: Assume the difference is Normally distributed.]
| sales person | sales before | sales after |
| 1 | 28 | 35 |
| 2 | 30 | 36 |
| 3 | 35 | 40 |
| 4 | 42 | 52 |
| 5 | 37 | 39 |
| 6 | 38 | 49 |
| 7 | 39 | 53 |
| 8 | 34 | 38 |
Deliverable: Word Document 