| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Graan | 108.2 | 116 | 170 | 208.9 | 333.2 |
| Aardolie | 125.9 | 178.5 | 214.6 | 254.2 | 360.6 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| Graan | 151.050525282566 | 170 | 188.949474717434 |
| Aardolie | 199.158931796451 | 214.6 | 230.041068203549 |
