| Value | Category | Cases | |
|---|---|---|---|
| 10 | Arrange good performance students to sit with poor performance students | 8 | 
                                    
                                    80%
                                 | 
| 97 | None | 1 | 
                                    
                                    10%
                                 | 
| 98 | don't know | 1 | 
                                    
                                    10%
                                 | 
| Sysmiss | 190 |