变量

系数

标准误差

t value

Sig.

const.

−141.959

21.521

−6.596

0.000

ReadNum

0.275

0.017

15.764

0.000

Dprice

11.061

0.491

22.526

0.000

Iprice

0.851

0.042

20.147

0.000

BidNum

1.362

0.126

10.786

0.000

DescribNum

0.399

0.134

2.966

0.003

Qualif

5.556

2.009

2.765

0.006

BuyerPro

28.195

12.685

2.223

0.026