GCSE Statistics · key term

Pearson’s product moment correlation coefficient

Definition

A number, usually written $r$ , that measures the strength and direction of the linear relationship between two numerical variables.

Used by AQA

Specification 3.5.23, 3.5.24 · Paper 1, Paper 2

Pearson’s product moment correlation coefficient, often shortened to PMCC, summarises the strength and direction of a linear relationship between two numerical variables. ‘Linear’ means that the points follow a straight-line pattern.
Revise: Pearson's Correlation Coefficient
A measure of the strength and direction of a linear relationship between two variables, commonly written as $r$ .
Revise: Correlation Coefficient Comparisons

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GCSE Statistics · key term

A number, usually written $r$ , that measures the strength and direction of the linear relationship between two numerical variables.

Used by AQA

Specification 3.5.23, 3.5.24 · Paper 1, Paper 2

Pearson’s product moment correlation coefficient, often shortened to PMCC, summarises the strength and direction of a linear relationship between two numerical variables. ‘Linear’ means that the points follow a straight-line pattern.
Revise: Pearson's Correlation Coefficient
A measure of the strength and direction of a linear relationship between two variables, commonly written as $r$ .
Revise: Correlation Coefficient Comparisons

Create a free account to keep every note you open and track your progress.