Here are six cards. Each card has a number on it.
| 16 | 6 | 10 | 7 | 12 | 12 |
Work out the range of the numbers on the cards.
Work out the mean of the numbers on the cards.
201 exam-style questions on CCEA GCSE Maths Averages. Each one has a worked solution and a mark scheme showing where the marks go.