Table 2.
Variables and observed responses in 23 factorial design for emulgel formulations (mean ± SD, n = 3).
| Formulations | Independent variables | Dependent variables | |||
|---|---|---|---|---|---|
| X 1 | X 2 | X 3 | Y 1 | Y 2 | |
| F 1 | 1 | −1 | −1 | 81.03 | 9.74 |
| F 2 | − 1 | 1 | 1 | 80.64 | 11.66 |
| F 3 | −1 | 1 | −1 | 93.16 | 25.87 |
| F 4 | 1 | 1 | 1 | 74.85 | 7.76 |
| F 5 | −1 | −1 | −1 | 84.37 | 19.54 |
| F 6 | 1 | 1 | −1 | 82.04 | 11.96 |
| F 7 | −1 | −1 | 1 | 78.49 | 10 |
| F 8 | 1 | −1 | 1 | 72.33 | 10.12 |
|
| |||||
| Independent variables | Levels used, actual (coded) | ||||
| Low (−1) | High (1) | ||||
|
| |||||
| X 1= conc. of oil | 10% | 70% | |||
| X 2= conc. of S mix | 25% | 55% | |||
| X 3= conc. gelling agent | 1% | 3% | |||