| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| I1G1 | 13 | 18 | 20 | 23 | 28 |
| I1G2 | 13 | 19 | 22 | 24 | 28 |
| I2G1 | 10 | 16 | 18 | 20 | 25 |
| I2G2 | 12 | 17 | 20 | 23 | 28 |
| I3G1 | 5 | 11 | 14 | 18 | 23 |
| I3G2 | 4 | 11 | 13 | 18 | 24 |
| E1G1 | 15 | 21 | 23 | 25 | 28 |
| E1G2 | 18 | 21 | 23 | 25 | 28 |
| E2G1 | 11 | 18 | 21 | 23 | 28 |
| E2G2 | 10 | 18 | 21 | 24 | 28 |
| E3G1 | 15 | 21 | 23 | 25 | 28 |
| E3G2 | 15 | 20 | 22.5 | 25 | 28 |
| AG1 | 4 | 4 | 5 | 8 | 14 |
| AG2 | 4 | 4 | 4 | 5.5 | 7 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| I1G1 | 19.2019794898038 | 20 | 20.7980205101962 |
| I1G2 | 21.0125 | 22 | 22.9875 |
| I2G1 | 17.361583591843 | 18 | 18.638416408157 |
| I2G2 | 18.815 | 20 | 21.185 |
| I3G1 | 12.8827712857253 | 14 | 15.1172287142747 |
| I3G2 | 11.6175 | 13 | 14.3825 |
| E1G1 | 22.361583591843 | 23 | 23.638416408157 |
| E1G2 | 22.21 | 23 | 23.79 |
| E2G1 | 20.2019794898038 | 21 | 21.7980205101962 |
| E2G2 | 19.815 | 21 | 22.185 |
| E3G1 | 22.361583591843 | 23 | 23.638416408157 |
| E3G2 | 21.5125 | 22.5 | 23.4875 |
| AG1 | 4.361583591843 | 5 | 5.638416408157 |
| AG2 | 3.70375 | 4 | 4.29625 |
