WMA · Statistics 2
WST02 — Statistics 2
Free mapped visual lessons for WST02, then mark with Pearson method/accuracy conventions — not a Cambridge default.
Study path
Learn WST02 with mapped free lessons
MarkScheme's own Cambridge 9709 lessons, mapped onto WST02 Statistics 2 by idea family — not Pearson papers, not scraped notes. Learn the visual, then mark in Edexcel IAL dialect.
- 1. Open a lesson on the live diagram
- 2. Mark WST02 (Pearson M/A)
- 3. Land back on the same lesson
5 live diagrams · 20 synced steps.
- 6.1The Poisson distributionOpens on the live diagram with Edexcel WST02 context — then mark in Pearson dialect.
- 6.2Linear combinations of random variablesOpens on the live diagram with Edexcel WST02 context — then mark in Pearson dialect.
- 6.3Continuous random variablesOpens on the live diagram with Edexcel WST02 context — then mark in Pearson dialect.
- 6.4Sampling and estimationOpens on the live diagram with Edexcel WST02 context — then mark in Pearson dialect.
- 6.5Hypothesis testsOpens on the live diagram with Edexcel WST02 context — then mark in Pearson dialect.
Edexcel dialect
After a lesson — mark like Pearson marks
- Write the method line that earns the M mark — not only the final number.
- Keep exact forms until the question asks to approximate.
- Watch dependent accuracy: an early slip can wipe later A marks.
- Self-mark with a WST02 scheme, then second-pass here.
Marking desk
Mark a WST02 answer
After a visual lesson — practice answers and scanned scripts with Edexcel IAL Mathematics conventions.
Exam series
Typical IAL sittings for WST02. Use your own QP/MS from Pearson or your school, then mark a practice answer here.
- January 2025
- June 2025
- October 2025
- January 2024
- June 2024
- October 2024
- January 2023
- June 2023
- October 2023
- January 2022
- June 2022
- October 2022