| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Inv | 11.9 | 16.4 | 18 | 19.4 | 23.7 |
| Uitv | 11.7 | 16.4 | 17.8 | 19.8 | 23.9 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| Inv | 17.4452249622903 | 18 | 18.5547750377097 |
| Uitv | 17.1712549572624 | 17.8 | 18.4287450427376 |
