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Capture recapture — Edexcel GCSE Statistics Definition | GradeGen

Home
Statistics
Key terms
Capture recapture

GCSE Statistics · key term

Capture recapture

Definition

A method of estimating population size by capturing and marking a first sample, releasing it, then checking a second sample for marked individuals.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Statistics · 1ST0

Specification 2h.02 · Paper 1, Paper 2

Capture recapture estimates the total population using two samples instead of a complete count.
Revise: Petersen capture recapture

Edexcel Statistics past papers

Related key terms

Closed population
Petersen estimate
Population
Random sample

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