Data Input
Sample Std Dev:
s = sqrt( Σ(x - x̄)² / (n-1) )
Data Preview n = 0
Enter data to see preview
Regression Plot
Data Points
Fit Line
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Mean (X)
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Mean (Y)
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Std Dev (X)
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Std Dev (Y)
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Correlation (r)
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R-Squared
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Covariance
--
Std Error
Regression Equation
y = ax + b
Slope (a)
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Intercept (b)
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Slope Std Error
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Intercept Std Error
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Model Fit
R-Squared
--%
Adjusted R-Squared
--%
Sum of Squares (Reg)
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Sum of Squares (Res)
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Sum of Squares (Tot)
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Model Strength
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Residuals Analysis
| Index | X | Y | Y Predicted | Residual | Squared Res |
|---|---|---|---|---|---|
| Calculate to see residuals | |||||