Mathematics 9709 · 6 Probability & Statistics 2 (for Paper 6)
6.4 Sampling and estimation
Understand random sampling; use Central Limit Theorem; calculate unbiased estimates of population mean and variance; determine confidence intervals.
- Questions
- 125
- Years
- 2015–2026
- Multiple choice
- 0
- Written answer
- 125
- Average marks
- 6.2
Practise probability & statistics 2 (for paper 6) questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 7variants 71, 72, 7364
- Paper 6variants 61, 62, 63, 6561
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 8 | – | 8 |
| 2023 | 1 | 7 | 6 | 14 |
| 2022 | 2 | 5 | 6 | 13 |
| 2021 | 1 | 4 | 9 | 14 |
| 2020 | 2 | 4 | 6 | 12 |
| 2019 | 2 | 6 | 3 | 11 |
| 2018 | 2 | 6 | 8 | 16 |
| 2017 | 2 | 5 | 6 | 13 |
| 2016 | 1 | 6 | 5 | 12 |
| 2015 | – | 6 | 6 | 12 |
