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Calculate correlation coefficient

Pearson r between two paired data sets.

Also known as: calculate correlation coefficient calculator, correlation coefficient calculator, calculate correlation coefficient, statistics math, statistics calculate correlation coefficient

Inputs

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Pearson r

0.7746

Strong positive linear association

  • r²0.6000
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What this result means

Pearson r between two paired data sets. r = Cov(X,Y) / (σ_X σ_Y); always between −1 and 1.

Assumptions

  • Rule dependency: Universal formula.

How is it calculated?

r = Cov(X,Y) / (σ_X σ_Y); always between −1 and 1.

Example

Perfect upward trend → r ≈ 1.

Frequently asked questions

Causation?+

Correlation does not imply causation.