| No | Description | Difficulty | Syllabus | Level | |
|---|---|---|---|---|---|
| 1 | Find the Z value; NI | Easy | A-level | S3 | Related material |
| 2 | Finding the confidence interval with stdev; 2NI | Intermediate | A-level | S3 | Related material |
| 3 | Finding the confidence interval with stdev; MC | Intermediate | A-level | S3 | Related material |
| 4 | Finding the confidence interval with variance; 2NI | Intermediate | A-level | S3 | Related material |
| 5 | Finding the confidence interval with variance; MC | Intermediate | A-level | S3 | Related material |
| 6 | Finding the sample size with standard deviation; MC | Hard | A-level | S3 | Related material |
| 7 | Finding the sample size with standard deviation; NI | Hard | A-level | S3 | Related material |
| 8 | Finding the sample size with variance; MC | Hard | A-level | S3 | Related material |
| 9 | Finding the sample size with variance; NI | Hard | A-level | S3 | Related material |