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.

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

DifficultyAllLevel 1Level 2Level 3Level 4Level 5
  1. 1
    The bar chart shows the number of school lunches sold on four days.5-5510152025303540455055MonTueWedThuLunches soldHow many more lunches were sold on Tuesday than on Wednesday?
    Level 1 · 1 markTry it
  2. 2
    6060 students were asked their favourite colour. 1515 said blue. In a pie chart of the results, work out the angle for blue.
    Level 1 · 2 marksTry it