Table 5 ANOVA of the fitted equation for softening point and percentage release after 12 h from lipstick formulation
Softening point | % Drug release after 12 h | |||||||
|---|---|---|---|---|---|---|---|---|
Sum of Squares | df | Mean Square | F-value | Sum of Squares | df | Mean Square | F-value | |
Model | 429.52 | 9 | 47.72 | 168.44 | 475.64 | 9 | 52.85 | 39.32 |
A-Beeswax | 378.12 | 1 | 378.12 | 1334.56 | 71.70 | 1 | 71.70 | 53.35 |
B-Carnauba Wax | 15.12 | 1 | 15.12 | 53.38 | 8.14 | 1 | 8.14 | 6.06 |
C-Cow Ghee | 0.20 | 1 | 0.20 | 0.24 | 8.12 | 1 | 8.12 | 6.04 |
Residual | 1.42 | 5 | 0.2833 | 6.72 | 5 | 1.34 | ||
Lack of Fit | 0.7500 | 3 | 0.2500 | 0.7500 | 0.99 | 3 | 0.5629 | 0.2237 |
Pure Error | 0.6667 | 2 | 0.3333 | 1.03 | 2 | 0.52 | ||
Std. Dev | 0.5323 | 1.16 | ||||||
Adjusted R2 | 0.9908 | 0.9610 | ||||||
Predicted R2 | 0.9687 | 0.9205 | ||||||
R2 | 0.9967 | 0.9861 | ||||||