Here is a stem and leaf diagram showing the mass, in grams, of some apples.
| 15 | 6 | 6 | 7 | 9 |
| 16 | 1 | 3 | 4 | 5 8 |
| 17 | 0 | 0 | 2 | 3 7 |
| 18 | 0 | 4 | 5 |
Key: 15 | 6 = 156 grams
The median mass is 168 grams.
Work out the mass of the 9th value.
116 exam-style questions on OCR GCSE Maths Stem and Leaf. Each one has a worked solution and a mark scheme showing where the marks go.