| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Totaal | 6 | 7.3 | 7.9 | 8.4 | 9.2 |
| Mannen | 5.1 | 6.3 | 6.9 | 7.7 | 8.2 |
| Vrouwen | 7.1 | 8.4 | 9 | 9.3 | 10.6 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| Totaal | 7.71977779545585 | 7.9 | 8.08022220454415 |
| Mannen | 6.67062628512563 | 6.9 | 7.12937371487437 |
| Vrouwen | 8.85254546900933 | 9 | 9.14745453099067 |
