资料介绍
线性回归
第一组数据是这样的:
x1 y1
0.760 5.1
0.780 6.2
0.820 7.5
0.815 7.0
0.790 7.1
0.785 6.8
0.770 5.9
0.765 5.0
0.788 6.9
0.769 5.9
0.760 5.3
0.780 6.4
0.820 7.4
0.815 7.0
0.790 6.8
0.785 6.1
0.770 5.7
0.765 5.2
0.788 6.7
0.769 6.1
分析结果是:
The regression equation is
y1 = - 21.3 + 35.2 x1
Predictor Coef SE Coef T P
Constant -21.337 3.236 -6.59 0.000
x1 35.248 4.125