Statistics II - Old Questions

1. What is Multiple Linear Regression (MLR)? From following information of variables X₁, X₂, and Y.

    ΣX₁ = 272, ΣX₂= 441, ΣY= 147, ΣX₁²= 7428, ΣX₂²=19461, ΣY² = 2173, ΣX1Y = 4013, ΣX₁X₂ = 12005, ΣX₂Y = 6485, n=10. Fit a regression equation Y on     X₁ and X₂. Interpret the regression coefficients.