U | a1 | a2 | a3 | d |
x1 | 0.20 | 0.25 | 0.25 | 1 |
x2 | 0.40 | 0.40 | 0.50 | 2 |
x3 | 0.30 | 0.25 | 0.45 | 3 |
x4 | 0.45 | 0.30 | 0.50 | 2 |
x5 | 0.45 | 0.50 | 0.55 | 1 |
x6 | 0.60 | 0.45 | 0.55 | 3 |