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Cambridge IGCSE Mathematics

9.6Cumulative frequency diagrams

Cumulative frequency diagrams in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 9.6.1Extended: draw and interpret cumulative frequency tables and diagrams.
  2. 9.6.2Extended: estimate and interpret the median, percentiles, quartiles and interquartile range from a cumulative frequency diagram.

Lessons

  • Cumulative frequency

    16 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Cumulative frequency diagrams: sample question

1 mark

The frequencies of five classes, in order, are 5, 12, 18, 10 and 5. What is the cumulative frequency for the third class?

Only if the answer has a unit, e.g. cm or km/h.

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