样本量

Min

Max

Mean

Std.D

Var

Oigr

626

−8.150

172.010

2.458

11.076

122.669

ROA

629

−0.150

0.180

0.018

0.027

0.001

Totassrat

629

0.000

0.890

0.147

0.127

0.016

Cash

629

0.010

15.250

0.420

0.885

0.783

LPO

629

0.000

1.000

0.610

0.489

0.239

Shareholder

629

0.059

0.894

0.387

0.172

0.030

Lev

629

0.040

1.150

0.647

0.182

0.033

Boardsize

626

0.610

2.830

0.129

0.213

0.045

Indirecter

627

0.300

0.600

0.379

0.055

0.003

Size

629

0.340

11.850

10.029

0.638

0.407

Firmage

629

0.000

25.000

17.520

4.573

20.913

Tasgrt

629

1.000

15.180

0.459

1.876

3.519

有效N (成列)

623