| Boxplot Notches |
| Variable | lower bound | median | upper bound |
| C2 | 3.89018240859661 | 4 | 4.10981759140339 |
| C4 | 4.89018240859661 | 5 | 5.10981759140339 |
| C6 | 4.89018240859661 | 5 | 5.10981759140339 |
| C8 | 3.89018240859661 | 4 | 4.10981759140339 |
| C10 | 3.83527361289491 | 4 | 4.16472638710509 |
| C12 | 3.89018240859661 | 4 | 4.10981759140339 |
| C14 | 3.78036481719321 | 4 | 4.21963518280679 |
| C16 | 3.89018240859661 | 4 | 4.10981759140339 |
| C18 | 3.89018240859661 | 4 | 4.10981759140339 |
| C20 | 3.89018240859661 | 4 | 4.10981759140339 |
| C22 | 2.89018240859661 | 3 | 3.10981759140339 |
| C24 | 3.78036481719321 | 4 | 4.21963518280679 |
| C26 | 3.89018240859661 | 4 | 4.10981759140339 |
| C28 | 3.89018240859661 | 4 | 4.10981759140339 |
| C30 | 3.89018240859661 | 4 | 4.10981759140339 |
| C32 | 3.89018240859661 | 4 | 4.10981759140339 |
| C34 | 3.89018240859661 | 4 | 4.10981759140339 |
| C36 | 3.89018240859661 | 4 | 4.10981759140339 |
| C38 | 3.78036481719321 | 4 | 4.21963518280679 |
| C40 | 2.89018240859661 | 3 | 3.10981759140339 |
| C42 | 3.89018240859661 | 4 | 4.10981759140339 |
| C44 | 3.78036481719321 | 4 | 4.21963518280679 |
| C46 | 3.89018240859661 | 4 | 4.10981759140339 |
| C48 | 3.89018240859661 | 4 | 4.10981759140339 |
