Table 4 ANOVA for the quadratic model (tensile strength response)
Source | Sum of squares | df | Mean square | F value | p value | |
|---|---|---|---|---|---|---|
Model | 2.82 | 9 | 0.3136 | 53.06 | < 0.0001 | Significant |
A-HPMC K15M:ERL100 | 1.19 | 1 | 1.19 | 200.75 | < 0.0001 | |
B-Di-butyl pthalate | 0.0047 | 1 | 0.0047 | 0.7878 | 0.4042 | |
C-d-limonene | 0.0343 | 1 | 0.0343 | 5.81 | 0.0468 | |
AB | 0.0648 | 1 | 0.0648 | 10.96 | 0.0129 | |
AC | 0.0416 | 1 | 0.0416 | 7.04 | 0.0328 | |
BC | 0.1875 | 1 | 0.1875 | 31.72 | 0.0008 | |
A2 | 1.15 | 1 | 1.15 | 194.09 | < 0.0001 | |
B2 | 0.1118 | 1 | 0.1118 | 18.92 | 0.0034 | |
C2 | 0.0005 | 1 | 0.0005 | 0.0906 | 0.7722 | |
Residual | 0.0414 | 7 | 0.0059 | |||
Lack of Fit | 0.0135 | 3 | 0.0045 | 0.6468 | 0.6247 | Not significant |
Pure error | 0.0279 | 4 | 0.0070 | |||
Cor total | 2.86 | 16 |