The distance travelled by 100 people to an event is summarised below.
| Distance (nearest mile) | Frequency |
|---|---|
| 0–9 | 4 |
| 10–14 | 19 |
| 15–18 | 41 |
| 19–20 | 26 |
| 21–25 | 9 |
A histogram was drawn and the bar representing the 10–14 class has a width of 3 cm and a height of 1.9 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.
28 exam-style questions on Edexcel AS Level Maths Representations of Data, covering 3.1 Outliers, 3.2 Box Plots, 3.3 Cumulative Frequency, 3.4 Histograms, and 3.5 Comparing Data. Each one has a worked solution and a mark scheme showing where the marks go.