| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| INTR | 13 | 19 | 22 | 24 | 28 |
| INTR | 12 | 17 | 20 | 23 | 28 |
| INTR | 4 | 11 | 13 | 18 | 24 |
| EXTR | 18 | 21 | 23 | 25 | 28 |
| EXTR | 10 | 18 | 21 | 24 | 28 |
| EXTR | 15 | 20 | 22 | 25 | 28 |
| AMO | 4 | 4 | 4 | 5.5 | 7 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| INTR | 21.0046935544090 | 22 | 22.9953064455910 |
| INTR | 18.8056322652908 | 20 | 21.1943677347092 |
| INTR | 11.6065709761726 | 13 | 14.3934290238274 |
| EXTR | 22.2037548435272 | 23 | 23.7962451564728 |
| EXTR | 19.8056322652908 | 21 | 22.1943677347092 |
| EXTR | 21.0046935544090 | 22 | 22.9953064455910 |
| AMO | 3.70140806632271 | 4 | 4.29859193367729 |
