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GCSE Statistics · key term
Dividing a population into groups, randomly selecting some groups and including all members of the selected groups in the sample.
Used by Edexcel
Specification 1c.03 · Paper 1, Paper 2
Revise: Judgement and opportunity samplingIn cluster sampling, the population is divided into sensible groups called clusters. Some clusters are selected randomly, and all members of those selected clusters are included in the sample.
In cluster sampling, the clusters are chosen randomly. Do not describe it as choosing whichever groups are easiest to reach.
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