| Source |
Coefficient Estimate |
Sum of squares |
Df |
F-value |
P-value
Prob>F |
| Intercept(β0) |
111.03 |
|
|
|
|
| Model |
|
3154.80 |
5 |
36.17 |
<0.0001* |
| X1(β1) |
6.67 |
266.67 |
1 |
15.28 |
<0.0058* |
| X2(β2) |
20.00 |
2400.00 |
1 |
137.56 |
<0.0001* |
| X1 X2(β3) |
2.50 |
25.00 |
1 |
1.43 |
0.2702** |
| X12(β4) |
1.38 |
5.25 |
1 |
0.30 |
0.6002** |
| X22(β5) |
11.38 |
357.64 |
1 |
20.50 |
0.0027* |
*Significant; ** not significant; lack of fit is not significant at P value >0.0 |
