Source

Sum of Squares

df

Mean Square

F Value

p-value

Prob > F

Model

44.57512853

9

4.952792059

59.43741059

<0.0001

significant

X1

0.91125

1

0.91125

10.93571863

0.0130

X2

1.5576125

1

1.5576125

18.69257837

0.0035

X3

1.2720125

1

1.2720125

15.26515314

0.0058

X1X2

0.6889

1

0.6889

8.267343283

0.0238

X1X3

0.0529

1

0.0529

0.634841718

0.4518

X2X3

1.092025

1

1.092025

13.1051612

0.0085

X 1 2

19.61281289

1

19.61281289

235.3692219

<0.0001

X 2 2

3.530939211

1

3.530939211

42.37405511

0.0003

X 3 2

12.25087605

1

12.25087605

147.020174

<0.0001

Residual

0.583295

7

0.083327857

Lack of Fit

0.484375

3

0.161458333

6.528844858

0.0508

not significant

Pure Error

0.09892

4

0.02473

Cor Total

45.15842353

16