Statistics WST01
Edexcel International A Level Statistics WST01 — Estimation, Confidence Intervals, and Tests topical past papers
25 past-paper questions on Estimation, Confidence Intervals, and Tests for Statistics WST01.
- Questions
- 25
- Years
- 2020–2025
- With mark scheme
- 100%
- Questions 2021–2025
- 22
Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.
How Estimation, Confidence Intervals, and Tests has been examined
From 2021 to 2025, Estimation, Confidence Intervals, and Tests was on S3(IAL) in 9 of 9 exam series, worth about 34% of that paper’s marks.
| Paper | Questions | Share of marks | Series |
|---|---|---|---|
| S1(IAL) | 1 | 2% | 1 of 10 |
| S2(IAL) | 1 | 2% | 1 of 7 |
| S3(IAL) | 20 | 34% | 9 of 9 |
Momentum’s own count, over the questions in its bank for these years: a series is one exam session, every zone included, and a question filed under two chapters counts in both. Median marks per question: 12.
Filed in Momentum under: Estimation, Confidence Intervals, and Tests.
Practising in Momentum
- Every question in a chapter as one list, from every paper and year in the bank, newest first or shuffled.
- Each question turns over to its own part of the mark scheme, where the board published one.
- Narrow by paper, year, session, zone and marks, and star the questions worth keeping.
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