| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| P1Cat | 7 | 10 | 11 | 12 | 12 |
| P1NonCat | 0 | 0 | 1 | 2 | 5 |
| P2Cat | 4 | 7 | 9 | 10 | 12 |
| P2NonCat | 0 | 2 | 3 | 5 | 8 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| P1Cat | 10.6 | 2.225 | |
| P1NonCat | 1.402 | 2.225 | |
| P2Cat | 8.577 | 2.159 | |
| P2NonCat | 3.423 | 2.159 | |
