Source

DF

Sum Sq

Mean Sq

F value

Pr. (>F.)

Region

x₁

x₂

x₃

x₄

Residuals

12

1

1

1

1

96

1.5856e+10

1.9335e+09

2.3000e+10

1.1518e+10

8.7527e+09

7.4452e+10

1.3213e+09

1.9335e+09

2.3000e+10

1.1518e+10

8.7527e+09

7.7554e+08

1.7038

2.4932

29.6566

14.8522

11.2859

0.078

0.118

3.963e−07***

0.0002

0.001