GCSE · Histograms

Interpreting histogramsExam-style questions

Getting information back out of a histogram — a frequency is an area, so part of a class is the matching proportion of a bar's area. Why that rests on values being spread evenly within a class (and is therefore an estimate), and how to read off a total, a mean, the median class, a range that cuts across class boundaries, and a comparison of two groups.

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

DifficultyAllLevel 2Level 3Level 4Level 5
  1. 1
    1020304050600.511.522.53Time (minutes)Frequency densityThe histogram gives information about the times, in minutes, that some students spent on homework one evening.

    (a) Work out the number of students who spent between 2020 and 4040 minutes on homework.

    (b) Work out the total number of students.
    Level 2 · 4 marksTry it