| Boxplot Notches |
| Variable | lower bound | median | upper bound |
| I1M | 19.2019794898038 | 20 | 20.7980205101962 |
| I1V | 21.0046935544090 | 22 | 22.9953064455910 |
| I2M | 17.361583591843 | 18 | 18.638416408157 |
| I2V | 18.8056322652908 | 20 | 21.1943677347092 |
| I3M | 12.8827712857253 | 14 | 15.1172287142747 |
| I3V | 11.6065709761726 | 13 | 14.3934290238274 |
| E1M | 22.361583591843 | 23 | 23.638416408157 |
| E1V | 22.2037548435272 | 23 | 23.7962451564728 |
| E2M | 20.2019794898038 | 21 | 21.7980205101962 |
| E2V | 19.8056322652908 | 21 | 22.1943677347092 |
| E3M | 22.361583591843 | 23 | 23.638416408157 |
| E3V | 21.0046935544090 | 22 | 22.9953064455910 |
| AM | 4.361583591843 | 5 | 5.638416408157 |
| AV | 3.70140806632271 | 4 | 4.29859193367729 |
