| 样本 | X1 | X2 | X3 | X4 |
| 抽蓄1 | 597.3 | 0.4153 | 5499 | 14.0 |
| 抽蓄2 | 627.6 | 0.4153 | 5539 | 14.4 |
| 抽蓄3 | 621.0 | 0.3910 | 5706 | 12.0 |
| 抽蓄4 | 628.9 | 0.4153 | 5589 | 12.0 |