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GCSE Maths: Frequency Tables & Grouped Data

Calculate estimated mean, median and mode from grouped tables. Practise it with adaptive questions for AQA, Edexcel, OCR and Eduqas.

StatisticsFoundation & HigherAQA · Edexcel · OCR · Eduqas

What you need to know

The concepts examiners test on frequency tables & grouped data, and what each one is really asking.

Find modal class
Find median class
Estimate mean from grouped data

Where marks get lost

The exam technique that separates a correct method from a correct answer.

  • Dividing by the number of rows instead of TOTAL FREQUENCY
  • Using the class width instead of the midpoint

Frequency Tables & Grouped Data questions students ask

Is Frequency Tables & Grouped Data on the Foundation paper?

Yes. Frequency Tables & Grouped Data appears at both Foundation and Higher tier, though Higher papers take it further.

What should I know before starting Frequency Tables & Grouped Data?

It builds on Averages. If those feel shaky, practise them first — Frequency Tables & Grouped Data questions assume them.

What is the most common mistake in Frequency Tables & Grouped Data?

Dividing by the number of rows instead of TOTAL FREQUENCY.

Which exam boards cover Frequency Tables & Grouped Data?

All four we support — AQA, Edexcel, OCR and Eduqas. GCSE Maths subject content is set by the DfE, so the topic is common to every board; what changes is the paper structure and the grade boundaries.