Table 5.
Analysis of variance (ANOVA) of the quadratic model for gelation time
| Source | DFa | Seq SSb | Adj SSc | Adj MSd | F value | P value |
|---|---|---|---|---|---|---|
| Regression | 9 | 13365.8 | 13365.764 | 1485.0848 | 871.71 | 0.000*** |
| Linear | 3 | 13329.4 | 102.080 | 34.0266 | 19.97 | 0.000 |
| Square | 3 | 23.4 | 23.364 | 7.7879 | 4.57 | 0.029 |
| Interaction | 3 | 13.0 | 13.000 | 4.3333 | 2.54 | 0.115 |
| Residual Error | 10 | 17.0 | 17.036 | 1.7036 | ||
| Lack-of-Fit | 5 | 13.0 | 13.036 | 2.6073 | 3.26 | 0.110 |
| Pure Error | 5 | 4.0 | 4.000 | 0.8000 | ||
| Total | 19 | 13382.8 |
a DF degrees of freedom
b Seq SS sum of squares
c Adj SS the adjusted sum of squares
d Adj MS the adjusted mean square
***P ≤ 0.001