Value | Category | Cases | |
---|---|---|---|
1 | very easy | 40 |
2.5%
|
2 | easy | 236 |
14.7%
|
3 | don't know | 1080 |
67.1%
|
4 | hard | 237 |
14.7%
|
5 | very hard | 16 |
1%
|