Edexcel GCSE Statistics · 1ST0
Specification 1c.03, 1c.04 · Paper 1, Paper 2
Revise: Judgement and opportunity samplingJudgement, opportunity, cluster and quota sampling offer ways to manage these practical difficulties, but each needs careful evaluation.
- Revise: Appropriate sampling techniques
A sampling method in which specified numbers of members are selected from particular groups, without requiring random selection within each group.