A variable y y\,y was measured to the nearest whole number. 40 observations are given in the table below.
| yyy | 10 – 19 | 20 – 24 | 25 – 28 | 29 – 30 |
|---|---|---|---|---|
| Frequency | 13 | 7 | 15 | 5 |
A histogram was drawn and the bar representing the 10 – 19 class has a width of 2.5 cm and a height of 2.6 cm.
Find the width and height of the bar representing the 20 – 24 class.
Find the width and height of the bar representing the 25 – 28 class.
Practise Edexcel AS Level Maths Representations of Data with exam-style questions for AS Level Maths. 10 questions covering 3.1 Outliers, 3.2 Box Plots, 3.3 Cumulative Frequency, 3.4 Histograms, and 3.5 Comparing Data, matched to the Edexcel AS Level Maths (8MA0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.