Intermediate November 2020 Unit 1 Q15
15. Find four different positive whole numbers so that:
- their mean is 8,
- their range is 8,
- their median is 8.
Write your four numbers in the boxes below. [3]
The four numbers are ☐ ☐ ☐ ☐
| Scheme | Marks | Comments |
|---|---|---|
| 4 5 11 12 OR 4 6 10 12 OR 4 7 9 12 | B3 | May be written in any order. B1 for Range = 8. B1 for Median = 8. B1 for Total = 32. Penalise –1 once only for repeated values, negatives or fractional answers e.g. 4, 8, 8, 12 earns B1 B1 B1 –1 (2 marks), 8, 8, 8, 8 earns B0 B1 B1 –1 (1 mark). |