Table 4 ANOVA for response surface quadratic model: analysis of variance table (partial sum of squares—Type III)
Source | Sum of squares | df | Mean square | F value | p value | Prob > F |
|---|---|---|---|---|---|---|
Model | 1581 | 14 | 112.9 | 175.85 | <0.0001 | Significant |
A-pH | 282.6 | 1 | 282.6 | 440.2 | <0.0001 | – |
B-contact time | 1.561 | 1 | 1.561 | 2.430 | 0.1398 | – |
C-Concentration of  acetamiprid | 339.2 | 1 | 339.2 | 528.2 | <0.0001 | – |
D-dose of N.P | 236.0 | 1 | 236.0 | 367.5 | <0.0001 | – |
AB | 5.267 | 1 | 5.267 | 8.203 | 0.01183 | – |
AC | 0.3025 | 1 | 0.3025 | 0.4711 | 0.5030 | – |
AD | 0.009025 | 1 | 0.009025 | 0.01406 | 0.9072 | – |
BC | 0.7056 | 1 | 0.7056 | 1.099 | 0.3111 | – |
BD | 11.19 | 1 | 11.19 | 17.43 | 0.06001 | – |
CD | 2.657 | 1 | 2.657 | 4.138 | <0.0001 | – |
A2 | 540.5 | 1 | 540.5 | 841.8 | <0.0001 | – |
B2 | 228.6 | 1 | 228.6 | 356.0 | <0.0001 | – |
C2 | 22.30 | 1 | 22.30 | 34.73 | <0.0001 | – |
D2 | 81.18 | 1 | 81.18 | 126.4 | <0.0001 | – |
Residual | 9.632 | 15 | 0.6421 | – | – | – |
Lack of fit | 0.002383 | 10 | 0.0002383 | 0.0001238 | 1.0000 | Not significant |
Pure error | 9.629 | 5 | 1.926 | – | – | – |
Cor total | 1590 | 29 | – | – | – | – |