Sample multiple regression Model 简单多重回归-线性 Y=50+,X+b,X2i +..+b, Xoi +e Y=b+bX1+b2×2+oo+bxpSample Multiple Regression Model 简单多重回归----线性 X2 X1 Y Yi b b X i b X i bpXpi ˆ = 0 + 1 1 + 2 2 +•••+ Yi b b X i b X i + bpXpi + ei = + + + • • • 0 1 1 2 2 ei