Here are the speeds, in mph, of 20 cars.
| 68 | 45 | 56 | 72 | 49 | 63 | 42 | 58 | 66 | 50 |
| 61 | 47 | 55 | 70 | 53 | 64 | 48 | 59 | 67 | 52 |
Draw an ordered stem and leaf diagram to show this information. You must include a key.
Write down the 10th and 11th values.
Work out the median speed.
116 exam-style questions on WJEC GCSE Maths Stem and Leaf. Each one has a worked solution and a mark scheme showing where the marks go.