| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Totaal | 6.1 | 7.3 | 8 | 8.5 | 9.3 |
| -25 | 13.4 | 18.5 | 20.05 | 21.95 | 25.6 |
| +25 | 5.4 | 6.1 | 6.8 | 7.1 | 7.5 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| Totaal | 7.75522745251969 | 8 | 8.2447725474803 |
| -25 | 19.3462789259941 | 20.05 | 20.7537210740059 |
| +25 | 6.59602287709974 | 6.8 | 7.00397712290026 |
