| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| EC1 | 1 | 2 | 3 | 4 | 5 |
| EC2 | 1 | 2 | 3 | 4 | 5 |
| EC3 | 3 | 4 | 5 | 5 | 5 |
| EC4 | 1 | 2 | 3 | 3 | 4 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| EC1 | 2.75399433364496 | 3 | 3.24600566635504 |
| EC2 | 2.75692307692308 | 3 | 3.24307692307692 |
| EC3 | 4.87773592925961 | 5 | 5.12226407074039 |
| EC4 | 2.87699716682248 | 3 | 3.12300283317752 |
