Edexcel IAL · Mathematics · WST03 · Goodness of fit and contingency tables
Topic Questions: 4.2 Degrees of freedom. — WST03 Goodness of fit and contingency tables
47 WST03 Goodness of fit and contingency tables topic questions are tagged to this syllabus point across 21 papers (2014–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.
Core finding
This Goodness of fit and contingency tables syllabus point appears in 21 WST03 papers across 2014–2026, contributing 47 topic questions and 331 marks. The most recent appearance is WST03/01 January 2026. That equals 51.1% of the 92 topic questions and 79.0% of the 419 marks tagged to Goodness of fit and contingency tables. Only parts tagged to this subtopic are counted, so a four-part question can contribute one item and one part's marks. The table lists every matching question, its tagged parts and marks, with a link back to the paper page. Sessions are newest first, so the statement can be traced back through the full paper history.
Topic questions by session
Newest sessions first. Parts and marks count only the parts tagged to this subtopic; “x of y parts” shows how much of the question is tagged elsewhere. Select the paper cell to open the matching question on the paper page, or use Go to Practice Hub to answer that exact question in the Interactive Practice Hub.
| Paper | Question | Type | Parts | Marks | Difficulty | Practice |
|---|---|---|---|---|---|---|
| WST03/01January 2026 · Edexcel IAL | Q1 Hypothesis Test for Independence - Jan 2026 Q1 |
FRQ | 1 part | 8 | Medium | Go to Practice Hub |
| WST03/01January 2026 · Edexcel IAL | Q4 Binomial Goodness of Fit Test - Jan 2026 Q4 |
FRQ | 1 of 5 parts ((e)) | 7 of 12 on the paper |
Easy | Go to Practice Hub |
| WST03/02January 2026 · Edexcel IAL | Q3 Contingency Tables and Association - Edexcel IAL Statistics S3 Jan 2026 Q3 |
FRQ | 1 of 2 parts ((a)) | 10 of 12 on the paper |
Medium | Go to Practice Hub |
| WST03/02January 2026 · Edexcel IAL | Q5 Poisson Distribution Goodness of Fit - Edexcel IAL Statistics S3 Jan 2026 Q5 |
FRQ | 1 of 2 parts ((b)) | 7 of 9 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2025 · Edexcel IAL | Q3 Chi-Squared Contingency Table - Edexcel IAL S3 2025 Jun Q3 |
FRQ | 1 of 2 parts ((b)) | 7 of 9 on the paper |
Easy | Go to Practice Hub |
| WST03/01June 2025 · Edexcel IAL | Q5 Goodness of Fit - Binomial Distribution - Edexcel IAL S3 2025 Jun Q5 |
FRQ | 1 of 3 parts ((c)) | 7 of 11 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2025 · Edexcel IAL | Q2 Poisson Goodness of Fit Test - Edexcel IAL Statistics S3 Jan 2025 Q2 |
FRQ | 1 of 4 parts ((d)) | 4 of 7 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2025 · Edexcel IAL | Q5 Sampling and Contingency Tables - Edexcel IAL Statistics S3 Jan 2025 Q5 |
FRQ | 1 of 3 parts ((c)) | 7 of 12 on the paper |
Easy | Go to Practice Hub |
| WST03/01June 2024 · Edexcel IAL | Q4 Goodness of Fit and Contingency Tables - Edexcel IAL Statistics S3 2024 Jun Q4 |
FRQ | 2 of 3 parts ((a), (c)) | 9 of 11 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2024 · Edexcel IAL | Q1 Contingency Table Test - Edexcel IAL Statistics S3 January 2024 Q1 |
FRQ | 1 part | 8 | Medium | Go to Practice Hub |
| WST03/01January 2024 · Edexcel IAL | Q4 Poisson Goodness of Fit - Edexcel IAL Statistics S3 January 2024 Q4 |
FRQ | 1 of 4 parts ((d)) | 7 of 10 on the paper |
Easy | Go to Practice Hub |
| WST03/01June 2023 · Edexcel IAL | Q2 Contingency Tables and Chi-Squared Test - Edexcel IAL Statistics S3 2023 Jun Q2 |
FRQ | 1 of 2 parts ((b)) | 7 of 10 on the paper |
Easy | Go to Practice Hub |
| WST03/01June 2023 · Edexcel IAL | Q4 Goodness of Fit Test for a Probability Density Function - Edexcel IAL Statistics S3 2023 Jun Q4 |
FRQ | 1 of 2 parts ((b)) | 8 of 11 on the paper |
Medium | Go to Practice Hub |
| WST03/01January 2023 · Edexcel IAL | Q3 Contingency Tables and Chi-Squared Test - Edexcel IAL S3 Jan 2023 Q3 |
FRQ | 1 of 2 parts ((b)) | 7 of 9 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2023 · Edexcel IAL | Q4 Binomial Goodness of Fit Test - Edexcel IAL S3 Jan 2023 Q4 |
FRQ | 2 of 3 parts ((a), (c)) | 12 of 14 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2022 · Edexcel IAL | Q7 Goodness of Fit Test - Edexcel IAL Statistics S3 2022 Jun Q7 |
FRQ | 1 of 2 parts ((b)) | 10 of 11 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2022 · Edexcel IAL | Q4 Quota Sampling and Chi-Squared Contingency Test - Edexcel IAL S3 Jan 2022 Q4 |
FRQ | 2 of 3 parts ((b), (c)) | 12 of 14 on the paper |
Medium | Go to Practice Hub |
| WST03/01January 2022 · Edexcel IAL | Q6 Goodness of Fit for Normal Model - Edexcel IAL S3 Jan 2022 Q6 |
FRQ | 2 of 3 parts ((b), (c)) | 9 of 14 on the paper |
Medium | Go to Practice Hub |
| WST03/02January 2022 · Edexcel IAL | Q4 Contingency Tables - Edexcel IAL Statistics S3 Jan 2022 Q4 |
FRQ | 1 part | 10 | Medium | Go to Practice Hub |
| WST03/02January 2022 · Edexcel IAL | Q6 Goodness of Fit - Poisson Distribution - Edexcel IAL Statistics S3 Jan 2022 Q6 |
FRQ | 1 of 3 parts ((c)) | 7 of 12 on the paper |
Medium | Go to Practice Hub |
| WST03/01October 2021 · Edexcel IAL | Q2 Goodness of Fit Test - Edexcel IAL Statistics S3 Oct 2021 Q2 |
FRQ | 1 part | 8 | Medium | Go to Practice Hub |
| WST03/01October 2021 · Edexcel IAL | Q4 Sampling Methods and Chi-squared Association Test - Edexcel IAL Statistics S3 Oct 2021 Q4 |
FRQ | 1 of 3 parts ((c)) | 6 of 11 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2021 · Edexcel IAL | Q2 Diet and Health Independence Test - Edexcel IAL Statistics 3 June 2021 Q2 |
FRQ | 1 part | 9 | Medium | Go to Practice Hub |
| WST03/01June 2021 · Edexcel IAL | Q5 Binomial Goodness of Fit Test - Edexcel IAL Statistics 3 June 2021 Q5 |
FRQ | 1 of 4 parts ((d)) | 8 of 16 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2021 · Edexcel IAL | Q3 Goodness of Fit and Contingency Tables - Edexcel IAL Statistics S3 Jan 2021 Q3 |
FRQ | 2 of 6 parts ((a)(ii), (d)) | 5 of 10 on the paper |
Easy | Go to Practice Hub |
| WST03/01January 2021 · Edexcel IAL | Q5 Goodness of Fit for Normal Distribution - Edexcel IAL Statistics S3 Jan 2021 Q5 |
FRQ | 2 of 4 parts ((a), (c)) | 13 of 18 on the paper |
Medium | Go to Practice Hub |
| WST03/01October 2020 · Edexcel IAL | Q2 Chi-Square Test of Independence - Edexcel IAL Statistics S3 June 2020 Q2 |
FRQ | 1 of 2 parts ((b)) | 5 of 9 on the paper |
Medium | Go to Practice Hub |
| WST03/01October 2020 · Edexcel IAL | Q4 Systematic Sampling and Uniform Distribution Hypothesis Testing - Edexcel IAL Statistics S3 June 2020 Q4 |
FRQ | 2 of 4 parts ((b), (c)) | 11 of 15 on the paper |
Easy | Go to Practice Hub |
| WST03/01June 2019 · Edexcel IAL | Q2 Contingency Tables - Edexcel IAL Statistics S3 June 2019 Q2 |
FRQ | 1 of 2 parts ((a)) | 9 of 10 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2019 · Edexcel IAL | Q7 Goodness of Fit - Poisson Distribution - Edexcel IAL Statistics S3 June 2019 Q7 |
FRQ | 1 of 2 parts ((b)) | 7 of 9 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2018 · Edexcel IAL | Q2 Goodness of Fit for Binomial Distribution - Edexcel IAL S3 June 2018 Q2 |
FRQ | 1 of 3 parts ((c)) | 7 of 12 on the paper |
Easy | Go to Practice Hub |
| WST03/01June 2018 · Edexcel IAL | Q4 Goodness of Fit and Systematic Sampling - Edexcel IAL S3 June 2018 Q4 |
FRQ | 1 of 2 parts ((a)) | 7 of 9 on the paper |
Hard | Go to Practice Hub |
| WST03/01June 2017 · Edexcel IAL | Q2 Contingency Tables and Chi-Squared Test - Edexcel IAL Statistics S3 2017 Jun Q2 |
FRQ | 1 part | 10 | Medium | Go to Practice Hub |
| WST03/01June 2017 · Edexcel IAL | Q4 Poisson Goodness of Fit - Edexcel IAL Statistics S3 2017 Jun Q4 |
FRQ | 1 of 3 parts ((c)) | 7 of 11 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2016 · Edexcel IAL | Q2 Contingency Tables - Edexcel IAL S3 June 2016 Q2 |
FRQ | 1 of 2 parts ((a)) | 10 of 12 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2016 · Edexcel IAL | Q5 Goodness of Fit - Edexcel IAL S3 June 2016 Q5 |
FRQ | 1 part | 9 | Medium | Go to Practice Hub |
| WST03/01June 2015 · Edexcel IAL | Q3 Goodness of Fit: Poisson Distribution - Edexcel IAL S3 2015 Jun Q3 |
FRQ | 1 of 3 parts ((c)) | 7 of 11 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2015 · Edexcel IAL | Q5 Chi-Squared Contingency Table - Business Grades and Gender - Edexcel IAL S3 2015 Jun Q5 |
FRQ | 1 part | 12 | Hard | Go to Practice Hub |
| WST03/01June 2014 · Edexcel IAL | Q5 Contingency Tables - Edexcel IAL S3 June 2014 Q5 |
FRQ | 1 of 2 parts ((a)) | 10 of 12 on the paper |
Medium | Go to Practice Hub |
| WST03/01June 2014 · Edexcel IAL | Q6 Goodness of Fit: Binomial Distribution - Edexcel IAL S3 June 2014 Q6 |
FRQ | 1 of 4 parts ((c)) | 8 of 14 on the paper |
Easy | Go to Practice Hub |
Related topic questions in Goodness of fit and contingency tables
Topic question rules and edge cases
- How many topic questions cover this syllabus point?
- 40 question stems cover this subtopic across 21 papers, but only 47 tagged parts and 331 marks belong to it. Other parts of the same questions are assessed under different statements and are excluded from this page.
- Which papers include this subtopic?
- The table lists every matching session from 2014–2026. Each row links to the question anchor on the paper page, where the full paper context and practice entry point are available.
- Why can one question appear under several subtopics?
- The parts of one question can assess different syllabus statements. Each part is counted under its own subtopics, so the same question stem can appear on several subtopic pages while each page lists only the parts and marks tagged to that statement.
- Can I practise these questions with AI marking?
- Yes. Open a paper from the table and use the Interactive Practice Hub entry point. The page itself is static HTML so search engines and retrieval agents can read the full question list without executing JavaScript.