GCSE · Data representation

Bar charts & pie chartsExam-style questions

Why a bar chart carries the frequency in its height while a pie chart carries only the share in its angle — so two identical-looking pies can stand for wildly different numbers — and how to convert between frequency and angle both ways.

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11 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAll Level 1 Level 2 Level 3 Level 4 Level 5

1
$72$ students were each asked to name their favourite sport.

The results are to be shown in a pie chart.
(a) $15$ students chose football. Work out the angle of the sector for football. (2 marks)
(b) The angle of the sector for tennis is $55°$ . Work out how many students chose tennis. (2 marks)
Level 2 · 4 marksTry it
2
$30$ students were asked to name their favourite fruit. The table shows the results.
Fruit Apple Banana Orange Pear
Frequency 9 12 5 4
A pie chart is to be drawn to show this information.

(a) Work out the size of the angle of the sector for Banana.

(b) Work out the size of the angle of the sector for Orange.
Level 2 · 3 marksTry it