Table 5.
Experiment layout.
| U | A | B | C | D | E | F | Value |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 2 | 4 | 1 | 1 | 3.75 |
| 2 | 1 | 1 | 1 | 3 | 3 | 3 | 4.91 |
| 3 | 4 | 3 | 3 | 1 | 1 | 3 | 5.03 |
| 4 | 4 | 2 | 4 | 3 | 1 | 1 | 4.49 |
| 5 | 1 | 1 | 1 | 1 | 1 | 1 | 4.55 |
| 6 | 3 | 2 | 2 | 1 | 2 | 3 | 4.06 |
| 7 | 1 | 2 | 4 | 1 | 2 | 2 | 4.63 |
| 8 | 2 | 2 | 1 | 2 | 1 | 3 | 4.56 |
| 9 | 4 | 1 | 1 | 4 | 2 | 2 | 4.45 |
| 10 | 1 | 3 | 1 | 2 | 2 | 1 | 4.74 |
| 11 | 2 | 1 | 3 | 3 | 2 | 1 | 5.28 |
| 12 | 2 | 2 | 1 | 4 | 1 | 2 | 3.74 |
| 13 | 3 | 1 | 1 | 1 | 1 | 2 | 4.39 |
| 14 | 4 | 2 | 1 | 1 | 2 | 1 | 4.44 |
| 15 | 1 | 2 | 2 | 3 | 1 | 2 | 3.53 |
| 16 | 4 | 1 | 2 | 2 | 3 | 2 | 4.46 |
| 17 | 3 | 1 | 4 | 2 | 1 | 1 | 4.19 |
| 18 | 3 | 3 | 1 | 3 | 2 | 2 | 4.40 |
| 19 | 2 | 1 | 2 | 1 | 2 | 1 | 5.39 |
| 20 | 1 | 1 | 4 | 4 | 2 | 3 | 4.64 |
| 21 | 1 | 1 | 3 | 1 | 1 | 2 | 4.73 |
| 22 | 1 | 2 | 1 | 1 | 3 | 1 | 4.93 |
| 23 | 2 | 3 | 4 | 1 | 3 | 2 | 4.58 |
| 24 | 3 | 2 | 3 | 4 | 3 | 1 | 4.79 |
| 25 | 1 | 2 | 3 | 2 | 2 | 2 | 5.03 |