Foundation June 2017 Unit 2 Q16
16. Write down three integers, all less than 25, whose
- range is 8, and
- mean is 13. [2]
The three integers are …………… , …………… and ……………
| Scheme | Marks | Comments |
|---|---|---|
| 8, 15 and 16 OR 9, 13 and 17 OR 10, 11 and 18. | B2 | All three numbers must be less than 25. B1 for three numbers with a range of 8. B1 for three numbers whose total = 39. |