| No | Description | Difficulty | Syllabus | Level | |
|---|---|---|---|---|---|
| 1 | 3-point average with Error Sq calculation; NI | Easy | Undergraduate | Foundation | Related material |
| 2 | 3-point average with MAD calculation; NI | Hard | Undergraduate | Foundation | Related material |
| 3 | 3-point average with MSE calculation; NI | Hard | Undergraduate | Foundation | Related material |
| 4 | 5-point average with Error calculation; NI | Easy | Undergraduate | Foundation | Related material |