Statistic question
| studentID | Picture1 | Picture2 |
| 29016 | 6 | 4 |
| 37175 | 8 | 9 |
| 37366 | 9 | 7 |
| 36886 | 7 | 10 |
| 29018 | 8 | 7 |
| 29467 | 6 | 8 |
| 38086 | 7 | 8 |
| 36936 | 8 | 7 |
| 28474 | 7 | 4 |
| 45282 | 5 | 3 |
| 37116 | 3 | 5 |
| 20700 | 8 | 1 |
| 43089 | 8 | 5 |
| 37027 | 8 | 3 |
| 30199 | 4 | 3 |
| 28996 | 9 | 5 |
| 29157 | 7 | 6 |
| 37777 | 7 | 4 |
| 37056 | 6 | 2 |
| 25771 | 8 | 5 |
| 38237 | 10 | 6 |
| 37420 | 9 | 6 |
| 31760 | 6 | 2 |
| 29831 | 8 | 6 |
| 29119 | 8 | 5 |
| 46190 | 10 | 7 |
| 45421 | 9 | 6 |
| 38068 | 5 | 5 |
| 38392 | 10 | 9 |
| 30090 | 9 | 4 |
| 37213 | 2 | 7 |
| 31761 | 8 | 6 |