Here are the speeds, in mph, of 20 cars.
| 58 | 44 | 70 | 63 | 49 | 52 | 71 | 46 | 66 | 42 |
| 73 | 50 | 68 | 47 | 61 | 56 | 75 | 53 | 64 | 76 |
Draw an ordered stem and leaf diagram to show this information. You must include a key.
Work out the median speed.
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.