Table 2.
Results of regression analysis and ANOVA for the fitted quadratic polynomial models.
Source | Sum of Squares | Degree of Freedom | Mean Square | F-Value | p-Value | Significance |
---|---|---|---|---|---|---|
Model | 14.36 | 9 | 1.60 | 15.05 | 0.0009 | *** |
A-ratio | 0.56 | 1 | 0.56 | 5.32 | 0.0544 | |
B-time | 0.64 | 1 | 0.64 | 6.07 | 0.0433 | * |
C-temperature | 0.087 | 1 | 0.087 | 0.82 | 0.3960 | |
AB | 0.93 | 1 | 0.93 | 8.73 | 0.0213 | * |
AC | 0.035 | 1 | 0.035 | 0.33 | 0.5845 | |
BC | 0.12 | 1 | 0.12 | 1.12 | 0.3251 | |
A2 | 3.99 | 1 | 3.99 | 37.63 | 0.0005 | *** |
B2 | 2.47 | 1 | 2.47 | 23.26 | 0.0019 | ** |
C2 | 4.29 | 1 | 4.29 | 40.46 | 0.0004 | *** |
Residual | 0.74 | 7 | 0.11 | |||
Lack of fit | 0.62 | 3 | 0.21 | |||
Pure error | 0.12 | 4 | 0.031 | |||
Total | 15.11 | 16 |
Significant at * p < 0.05; Significant at ** p < 0.02; Significant at *** p < 0.001.