4MA0 Foundation January 2012 Paper 2 Q13
13 Three positive whole numbers have a median of 7 and a mean of 5
Find the range of these three numbers.
(3)
| Scheme | Marks |
|---|---|
| 1 7 7 | B2 |
| 6 | B1 |
| (3) | |
| (Total 3 marks) |
Notes
B2: for 1 7 7 in any order
B1 for three positive whole numbers with either a median of 7 or a sum of 15
SC B1 for 0 7 8 in any order
B1: cao