Correlation & Regression Calculator

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X-Axis Label (Optional):

Y-Axis Label (Optional):

Enter Paired Data (X Y per line):

Scatter Plot with Trendline

Correlation & Regression Results

Count (n pairs):
Pearson's r:
R-squared (r²):
Adjusted R-squared:
Regression Equation: Y = a + bX
Y-Intercept (a):
Slope (b):

Significance Test (vs. r = 0)

t-statistic:
Degrees of Freedom (df):
Significance Level (p-value):

Interpretation