Statistics

Multiple Regression (Two Predictors)

Fit ŷ = b₀ + b₁x₁ + b₂x₂ using least squares normal equations [X'X]b = X'y. Solve the 3×3 system, make predictions, and compute R².

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Inputs
Result
Regression Equation
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Step-by-Step Work

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Fitted vs Actual y (2D Projection)