Y

X7

Y

t

p

t

p

t

p

X4

1.221

0.223

2.154

0.019

−0.469

0.640

X5

10.957

0.000

4.408

0.005

10.798

0.000

X6

9.031

0.000

7.692

0.000

4.536

0.000

X1

8.961

0.000

10.009

0.000

2.147

0.000

X7

16.722

0.000

调整R2

0.718

0.622

0.864

F

169.971

110.075

337.068