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9231 FPS · Examination practice, 2020–2026

47 published questions in this selection. Original source labels and existing progress are preserved.

1. 9231 P41 - Jun 2025 - Q1 - 7 marksHypothesis tests concerning the difference in means · 2025
2. 9231 P41 - Jun 2025 - Q4 - 7 marksConfidence intervals for the difference in means · 2025
3. 9231 P43 - Jun 2025 - Q2 - 7 marksConfidence intervals for the difference in means · 2025
4. 9231 P43 - Jun 2025 - Q5 - 8 markst-distribution · 2025
5. 9231 P44 - Jun 2025 - Q6 - 13 marksConfidence intervals for the mean of a small sample · 2025
6. 9231 P41 - Nov 2025 - Q1 - 6 marksConfidence intervals for the mean of a small sample · 2025
7. 9231 P41 - Nov 2025 - Q3 - 4 marksHypothesis tests concerning the difference in means · 2025
8. 9231 P41 - Nov 2025 - Q6 - 9 marksPaired t-tests · 2025
9. 9231 P42 - Nov 2025 - Q2 - 7 marksConfidence intervals for the mean of a small sample · 2025
10. 9231 P42 - Nov 2025 - Q5 - 9 marksHypothesis tests concerning the difference in means · 2025
11. 9231 P44 - Nov 2025 - Q1 - 6 marksConfidence intervals for the mean of a small sample · 2025
12. 9231 P44 - Nov 2025 - Q3 - 10 marksPaired t-tests · 2025
13. 9231 P41 - Jun 2024 - Q1 - 4 marksConfidence intervals for the mean of a small sample · 2024
14. 9231 P41 - Jun 2024 - Q6 - 8 marksPaired t-tests · 2024
15. 9231 P43 - Jun 2024 - Q2 - 7 marksConfidence intervals for the mean of a small sample · 2024
16. 9231 P43 - Jun 2024 - Q6 - 10 marksConfidence intervals for the difference in means · 2024
17. 9231 P41 - Nov 2024 - Q1 - 6 marksConfidence intervals for the difference in means · 2024
18. 9231 P42 - Nov 2024 - Q1 - 4 marksConfidence intervals for the mean of a small sample · 2024
19. 9231 P41 - Jun 2023 - Q1 - 4 marksConfidence intervals for the mean of a small sample · 2023
20. 9231 P41 - Jun 2023 - Q2 - 8 marksHypothesis tests concerning the difference in means · 2023
21. 9231 P43 - Jun 2023 - Q2 - 6 marksConfidence intervals for the mean of a small sample · 2023
22. 9231 P43 - Jun 2023 - Q4 - 9 marksHypothesis tests concerning the difference in means · 2023
23. 9231 P41 - Nov 2023 - Q1 - 6 markst-distribution · 2023
24. 9231 P41 - Nov 2023 - Q3 - 8 marksPaired t-tests · 2023
25. 9231 P42 - Nov 2023 - Q1 - 6 marksConfidence intervals for the difference in means · 2023
26. 9231 P41 - Jun 2022 - Q1 - 8 marksPaired t-tests · 2022
27. 9231 P41 - Jun 2022 - Q5 - 9 marksConfidence intervals for the mean of a small sample · 2022
28. 9231 P43 - Jun 2022 - Q1 - 4 marksConfidence intervals for the mean of a small sample · 2022
29. 9231 P43 - Jun 2022 - Q6 - 12 marksHypothesis tests concerning the difference in means · 2022
30. 9231 P41 - Nov 2022 - Q1 - 7 marksConfidence intervals for the difference in means · 2022
31. 9231 P41 - Nov 2022 - Q6 - 9 marksHypothesis tests concerning the difference in means · 2022
32. 9231 P42 - Nov 2022 - Q1 - 6 marksConfidence intervals for the mean of a small sample · 2022
33. 9231 P42 - Nov 2022 - Q3 - 8 marksHypothesis tests concerning the difference in means · 2022
34. 9231 P41 - Jun 2021 - Q1 - 7 markst-distribution · 2021
35. 9231 P41 - Jun 2021 - Q4 - 8 marksHypothesis tests concerning the difference in means · 2021
36. 9231 P43 - Jun 2021 - Q1 - 6 markst-distribution · 2021
37. 9231 P43 - Jun 2021 - Q3 - 8 marksConfidence intervals for the difference in means · 2021
38. 9231 P41 - Nov 2021 - Q1 - 7 marksConfidence intervals for the mean of a small sample · 2021
39. 9231 P41 - Nov 2021 - Q4 - 8 markst-distribution · 2021
40. 9231 P42 - Nov 2021 - Q1 - 7 marksConfidence intervals for the difference in means · 2021
41. 9231 P42 - Nov 2021 - Q6 - 10 marksHypothesis tests concerning the difference in means · 2021
42. 9231 P41 - Jun 2020 - Q4 - 9 marksHypothesis tests concerning the difference in means · 2020
43. 9231 P41 - Jun 2020 - Q5 - 10 marksConfidence intervals for the mean of a small sample · 2020
44. 9231 P43 - Jun 2020 - Q2 - 5 marksConfidence intervals for the difference in means · 2020
45. 9231 P43 - Jun 2020 - Q5 - 11 marksHypothesis tests concerning the difference in means · 2020
46. 9231 P41 - Nov 2020 - Q1 - 7 marksConfidence intervals for the difference in means · 2020
47. 9231 P42 - Nov 2020 - Q6 - 12 marksConfidence intervals for the mean of a small sample · 2020