| No | Description | Difficulty | Syllabus | Level | |
|---|---|---|---|---|---|
| 1 | Name find_gradient (no Sij in feedback) given sample sumx sumxx sumxy sumy; NI | Easy | A-level | S1 | Related material |
| 2 | Name find_gradient (no Sij in feedback) with Excel & clipboard; NI | Easy | A-level | S1 | Related material |
| 3 | Name find_gradient given sample sumx sumxx sumxy sumy; NI | Easy | A-level | S1 | Related material |
| 4 | Name find_intercept given gradient b with Excel & clipboard; NI | Easy | A-level | S1 | Related material |
| 5 | Name find_intercept given sample b meanx meany; NI | Easy | A-level | S1 | Related material |
| 6 | Name find_gradient with Excel & clipboard; NI | Hard | A-Level | S1 | Related material |