systematic sampling
What systematic sampling means in Mathematics A-Level, as defined for WJEC.
Definition of systematic sampling
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Reference: WJEC
Selects every k-th member, where k ≈ N/n, from an ordered list following a random starting point between 1 and k, but risks bias if the list possesses periodic structure.
Topics that use systematic sampling
- Statistical Sampling (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- informal inference
- methodological evaluation
- Opportunity sampling
- parameter estimation
- Population
- Sample
- sample size impact
- sampling constraints
Using systematic sampling in the exam
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