Source

SS

Df

MS

Number of obs = 8243 F(9, 8233) = 221.91 Prob > F = 0.0000 R-squared = 0.1952 Adj R-squared = 0.1943 Root MSE = 1.5371

Model

4718.93338

9

524.325931

Residual

19452.9144

8233

2.36279781

Total

24171.8478

8242

2.93276484

Y

Coef.

Std. Err.

t

P > |t|

[95% Conf. Interval]

x1

0.64566550

0.05180050

12.460

0.000

0.54412360

0.74720750

x2

0.05075010

0.04814980

1.050

0.292

−0.04363560

0.14513580

x3

−0.23670240

0.04995600

−4.740

0.000

−0.33462880

−0.13877600

x4

−1.16785200

0.10500400

−11.120

0.000

−1.37368600

−0.96201780

x5

0.00115320

0.00006800

16.950

0.000

0.00101990

0.00128660

x6

0.00000594

0.00000072

8.290

0.000

0.00000454

0.00000735

x7

0.04660650

0.01155350

4.030

0.000

0.02395860

0.06925430

x8

0.32260470

0.05455610

5.910

0.000

0.21566090

0.42954850

x9

−0.12015250

0.00600130

−20.020

0.000

−0.13191650

−0.10838850

Constant term

7.01936500

0.38380690

18.290

0.000

6.26700700

7.77172400