| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| WJ7ARD | 68 | 82 | 88.5 | 96 | 112 |
| WJ7AMA | 62 | 82 | 91 | 97 | 114 |
| WJ7AWL | 66 | 84 | 92 | 104 | 123 |
| WJ7AKN | 63 | 84 | 92 | 98 | 119 |
| WJ7ASK | 66 | 84 | 90 | 98 | 118 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| WJ7ARD | 86.67 | 88.5 | 90.33 |
| WJ7AMA | 89.04 | 91 | 92.96 |
| WJ7AWL | 89.38 | 92 | 94.62 |
| WJ7AKN | 90.17 | 92 | 93.83 |
| WJ7ASK | 88.17 | 90 | 91.83 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| WJ7ARD | 88.84 | 9.52 | |
| WJ7AMA | 90.16 | 11.84 | |
| WJ7AWL | 93.67 | 12.87 | |
| WJ7AKN | 91.57 | 10.56 | |
| WJ7ASK | 91.26 | 11.43 | |

