Correlation Calculator
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Correlation Calculator
Calculate Pearson or Spearman correlation with statistics and an interactive scatter plot.
1. Choose Correlation Method
2. Enter Paired Data
| # | X Values | Y Values | Remove |
|---|
Pearson Correlation Coefficient
0.000
No correlation
0
Sample Size (n)
0.000
R²
0.000
Mean X
0.000
Mean Y
0.000
SD X
0.000
SD Y
0.000
Covariance
0.000
Regression Slope
r = Σ[(X − X̄)(Y − Ȳ)] /
√[Σ(X − X̄)² × Σ(Y − Ȳ)²]
Important: Correlation measures the strength and
direction of association between two variables. It does not by
itself prove that one variable causes the other.