| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not helpful | 0 |
0%
|
| 2 | A little helpful | 2 |
0.1%
|
| 3 | Somewhat helpful | 4 |
0.3%
|
| 4 | Helpful | 18 |
1.2%
|
| 5 | Very helpful | 30 |
2.1%
|
| 9 | No teacher t/book | 1407 |
96.3%
|
| Sysmiss | 291 |