coef

std err

t

P > |t|

Intercept

6.1e−12

0.268

2.29e−11

1.000

X1

−6.1121

3.296

−1.855

0.106

X2

−4.9305

1.728

−2.853

0.025

X3

−1.9657

1.472

−1.335

0.224

X4

6.9156

4.148

−1.667

0.139

X5

−0.5168

0.370

−1.398

0.205

X6

3.5219

0.823

4.278

0.004

X7

0.8711

1.245

0.700

0.507

X8

0.9998

1.773

0.564

0.590