| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| WJ7ARD | 74 | 84 | 88 | 94 | 104 |
| WJ7AMA | 72 | 82 | 91 | 97 | 105 |
| WJ7AWL | 77 | 84 | 92 | 102 | 112 |
| WJ7AKN | 75 | 86 | 92 | 98 | 105 |
| WJ7ASK | 74 | 85 | 90 | 97 | 110 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| WJ7ARD | 88.59 | 7.39 | |
| WJ7AMA | 90.29 | 9.03 | |
| WJ7AWL | 92.89 | 10.12 | |
| WJ7AKN | 91.82 | 7.46 | |
| WJ7ASK | 90.61 | 8.86 | |

