| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not helpful | 2 |
0.1%
|
| 2 | A little helpful | 1 |
0.1%
|
| 3 | Somewhat helpful | 5 |
0.3%
|
| 4 | Helpful | 84 |
4.8%
|
| 5 | Very helpful | 201 |
11.5%
|
| 9 | No teacher t/book | 1459 |
83.3%
|