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Question 9

The histogram shows information about the time taken by members of a running club to complete a 10km race.

A histogram showing race completion times. Frequency densities are: 0-20 mins: 0.5; 20-30 mins: 1.2; 30-40 mins: 1.8; 40-60 mins: 0.7; 60-90 mins: 0.2.

a.

Work out an estimate for the proportion of runners who took longer than 50 minutes.

[3]
b.

Explain why your answer to part a is only an estimate.

[1]
Markscheme

Histograms Questions

  1. GCSE
  2. /Maths
  3. /Histograms

24 exam-style questions on AQA GCSE Maths Histograms. Each one has a worked solution and a mark scheme showing where the marks go.

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