The distance travelled by 100 people to an event is summarised below.
| Distance (nearest mile) | Frequency |
|---|---|
| 0–9 | 4 |
| 10–14 | 17 |
| 15–18 | 43 |
| 19–20 | 30 |
| 21–25 | 6 |
A histogram was drawn and the bar representing the 10–14 class has a width of 4 cm and a height of 1.7 cm.
Find the width and height of the bar representing the 15–18 class.
Find the width and height of the bar representing the 19–20 class.
36 exam-style questions on Edexcel A Level Maths 3.4 Histograms. Each one has a worked solution and a mark scheme showing where the marks go.