§9.1自变量中含有定性变量的回归模型 Coefficients Unstandardized Stand ardized Coefficients Coefficients B Std. error Beta sig ( Constant)-7976.8091093445 7295.000 X1 3826129304591 92112562.000 X2 3700330513445 -529-7207000 两个自变量x1与x2的系数都是显著的,判定系数 R2=0.879,回归方程为: 1=79761+3826x1-3700x2§9.1 自变量中含有定性变量的回归模型 Coefficients -7976.809 1093.445 -7.295 .000 3826.129 304.591 .921 12.562 .000 -3700.330 513.445 -.529 -7.207 .000 (Constant) X 1 X 2 B Std. Error Unstandardized Coefficients Beta Standardized Coefficients t Sig. 两个自变量x1与x2的系数都是显著的，判定系数 R 2=0.879，回归方程为： y ˆ =-7976+3826x1-3700x2