Table 2.
Fractional factorial experimental design (n = 3).
|
Dependent variables (responses)
|
Independent variables (factors)
|
Formulation no. | |||||
|---|---|---|---|---|---|---|---|
|
Y
2
(mean ± SD) |
Y
1
(nm)
(mean ± SD) |
E | D | C | B | A | |
| 0.30 ± 0.01 | 178.20 ± 6.70 | 2.00 | 0.25 | 0.25 | 3.00 | 0.25 | F1 |
| 0.22 ± 0.04 | 203.00 ± 8.40 | 0.25 | 0.25 | 0.25 | 0.00 | 3.00 | F2 |
| 0.22 ± 0.01 | 190.20 ± 4.80 | 0.25 | 3.00 | 0.25 | 3.00 | 3.00 | F3 |
| 0.24 ± 0.01 | 181.90 ± 5.30 | 1.13 | 1.63 | 2.13 | 1.50 | 1.63 | F4 |
| 0.49 ± 0.03 | 176.70 ± 5.09 | 2.00 | 3.00 | 0.25 | 0.00 | 0.25 | F5 |
| 0.17 ± 0.01 | 178.30 ± 4.10 | 2.00 | 3.00 | 4.00 | 3.00 | 3.00 | F6 |
| 0.25 ± 0.02 | 190.00 ± 2.82 | 1.13 | 1.63 | 2.13 | 1.50 | 1.63 | F7 |
| 0.24 ± 0.03 | 201.00 ± 4.24 | 1.13 | 1.63 | 2.13 | 1.50 | 1.63 | F8 |
| 0.21 ± 0.02 | 179.60 ± 12.44 | 0.25 | 3.00 | 4.00 | 0.00 | 0.25 | F9 |
| 0.42 ± 0.10 | 256.00 ± 60.81 | 0.25 | 0.25 | 4.00 | 3.00 | 0.25 | F10 |
| 0.37 ± 0.02 | 393.60 ± 47.50 | 2.00 | 0.25 | 4.00 | 0.00 | 3.00 | F11 |