Pearson Correlation Calculator
Calculate Pearson's correlation coefficient from summary statistics.
Calculate Pearson's correlation coefficient from summary statistics.
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Open calculatorPearson Correlation Calculator is an educational statistics and data-science tool for exploring a standard quantitative relationship.
Enter the requested values using the stated definitions. The calculator validates the numerical domain and applies r = [nΣxy - ΣxΣy] / √([nΣx²-(Σx)²][nΣy²-(Σy)²]).
Variables: n = Number of observations; Σx = Sum of X (Σx); Σy = Sum of Y (Σy); Σxy = Sum of XY (Σxy); Σx² = Sum of X² (Σx²); Σy² = Sum of Y² (Σy²).
Example: n = 3, Σx = 6, Σy = 12, Σxy = 28, Σx² = 14, Σy² = 56 → r = 1.
It is intended for study, classroom exercises and quick exploration of the stated statistical relationship.
No. Sampling design, assumptions, data quality, dependence, distribution shape, bias and model diagnostics may materially affect a real analysis.
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