Foundation June 2018 Paper 3 Q17
17 Ping chooses four numbers.
The mode of these four numbers is 8, the range is 7 and the mean is 11.
Find Ping’s four numbers. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 8, 8, 13 and 15 | 3 | B2 for 3 or 4 numbers with at least two conditions met out of:
B1 for 4 numbers with one condition met or 44 seen | Accept any order Examples: B2 for 8, 8, 10.5, 17.5 B2 for 8, 8, 8, 20 B2 for 8, 8, 28 B2 for 1, 8, 8 B1 for 8, 8, 8, 8 B0 for 8, 8 |