Statistics

Measures of spread

Measures of spread is a core A-level Statistics topic. Use this page to revise the main ideas, practise the common question styles, and build confidence with data interpretation, probability models, and exam-style statistical reasoning.

What Measures of spread means in A-level Statistics and where it appears in exam questions.
The key vocabulary, notation, and command words students must recognise for Measures of spread.
Common steps used to solve or explain Measures of spread questions accurately.
Typical mistakes students make in Measures of spread, and how to avoid losing method marks.
How to connect Measures of spread with wider A-level Statistics topics for longer answers.
A quick revision plan for practising Measures of spread before timed past-paper questions.
Measures of spread | A-level Statistics Revision Prep | TSL