A variable x x\,x was measured to the nearest whole number. 50 observations are given in the table below.
| xxx | 5–8 | 9–13 | 14–20 | 21–24 |
|---|---|---|---|---|
| Frequency | 10 | 9 | 14 | 17 |
A histogram was drawn and the bar representing the 9–13 class has a width of 2 cm and a height of 2.7 cm.
Find the width and height of the bar representing the 14–20 class.
4 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.