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GCSE Statistics · key term
A relationship in which the points on a scatter diagram lie close to a straight line.
Used by Edexcel
Specification 2e.02 · Paper 1, Paper 2
Revise: Inspecting correlation strengthFor strong correlation, the points cluster closely around an imaginary straight line. They do not need to lie exactly on it: a narrow band of points still shows a strong relationship.
Do not confuse steepness with strength. A shallow trend can have strong correlation.
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