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GCSE Mathematics · key term
The natural difference between results obtained from different samples taken from the same population.
Used by AQA and Edexcel
Specification S1 · Paper 1, Paper 2, Paper 3
Revise: Population InferenceDifferent random samples from the same population will usually contain different members and produce slightly different statistics. This is sampling variation.
Specification S1 · Paper 1, Paper 2, Paper 3
Natural differences between the results obtained from different samples selected from the same population.
Revise: Populations and SamplesDifferent samples from the same population will usually give slightly different statistics. This is sampling variation.
A larger sample generally reduces sampling variation, but it cannot remove bias caused by a poor selection method.
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