| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| SMKVI | 2 | 3 | 4 | 5 | 6 |
| NSMKOR | 2 | 3 | 3.5 | 5 | 7 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| SMKVI | 3.26 | 4 | 4.74 |
| NSMKOR | 2.76 | 3.5 | 4.24 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| SMKVI | 4.11 | 1.28 | |
| NSMKOR | 3.78 | 1.4 | |
