回归系数Coef

标准误Std. Err

t

p

95% CI

常数

0.018

0.052

0.350

0.726

−0.083~0.120

货运

0.891

0.325

2.741

0.006^**

0.254~1.528

R²

0.488

调整R²

0.360

F

F(1, 4) = 7.511, p = 0.052

D-W值

0.804