Edexcel IAL · Mathematics
Statistics 1 (WST01) past papers
36 Edexcel IAL Statistics 1 (WST01) papers from 2014 to 2026. Open any paper to see its question list, topics and marks, plus its five difficulty and complexity measures, then start it in the Interactive Practice Hub.
All S1 papers
Difficulty Measure is a mark-weighted average of the part-level difficulty tags on the 0.20–0.75 scale. How the measure is calculated →
Topics assessed in this unit
Topic pages collect matching questions across multiple papers.
S1 past paper FAQ
How many Statistics 1 (WST01) papers are available?
There are 36 Edexcel IAL Statistics 1 (WST01) papers, covering 2014–2026. The newest paper is Jan 2026.
Are S1 papers free?
Papers from 2020 and earlier are free to read and practise in the Interactive Practice Hub. Papers from 2021 onwards are Pro papers; their metadata is still public.
What is the difference between S1 papers?
Each paper is a separate exam sitting with its own question mix. Use the question counts, marks and difficulty measures to choose a paper that matches the topics you are revising.
Where can I find the S1 mark scheme?
The mark scheme is used for AI marking inside the Interactive Practice Hub. Public paper pages list the questions, topics and marks so you can plan before you start.