| Descriptive Statistic | X | U |
| minimum | 20 | 234.6 |
| maximum | 120 | 685.1 |
| mean | 70 | 599.2 |
| median | 70 | 532.9 |
| mode | 20 | 234.6 |
| standard deviation | 31 | 147.3 |
| range | 100 | 450.5 |