Source

Sum of

Squares

Degree of freedom

Mean

Square

F

Value

Prob > F

Model

5895.451

4

1473.863

15.16151

0.0015

X1

2598.375

1

2598.375

26.72928

0.0013

X2

1120.174

1

1120.174

11.52314

0.0115

X6

1209.218

1

1209.218

12.43913

0.0096

X7

967.6848

1

967.6848

9.9545

0.0160

Residual

680.4755

7

97.21079

Cor Total

6575.926

11