# Topic Questions: 6.1 The Normal distribution including the mean, variance and use of tables of the cumulative distribution function. — WST01 The Normal distribution

> 139 WST01 The Normal distribution topic questions (453 marks) on 6.1 The Normal distribution including the mean… — 36 papers, 2014–2026. Open the exact…

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Edexcel IAL · Mathematics · WST01 · The Normal distribution

139 WST01 The Normal distribution topic questions are tagged to this syllabus point across 36 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.

- 139 topic questions
- 36 papers
- 453 tagged marks
- 100.0% of topic questions
- 100.0% of topic marks
- 2014–2026
- Syllabus 2014–current
- [All WST01 The Normal distribution topic questions](https://www.examsci.com/topics/edexcel-ial/mathematics/statistics-1-wst01/the-normal-distribution/)
- [All paper codes](https://www.examsci.com/topics/)

Core finding

**This The Normal distribution syllabus point appears in 36 WST01 papers across 2014–2026, contributing 139 topic questions and 453 marks.** The most recent appearance is WST01/01 January 2026. That equals 100.0% of the 139 topic questions and 100.0% of the 453 marks tagged to The Normal distribution. 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 |
| --- | --- | --- | --- | --- | --- | --- |
| [**WST01/01** January 2026 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2026-january-wst01-01/#q-7) | **Q7** Normal Distribution and Standardisation - Edexcel IAL S1 Jan 2026 Q7 | FRQ | 4 parts ((a), (b), (c)(i), (c)(ii)) | 9 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=24109888-8a15-4c84-8b20-c8c4906c9e9f&question_id=5ecc44eb-8156-417f-b362-782b902189b9&source_detail=WST01%2F01+January+2026) |
| [**WST01/02** January 2026 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2026-january-wst01-02/#q-2) | **Q2** Representation of Data - Jan 2026 Q2 | FRQ | 1 of 4 parts ((d)) | 2 of 9 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=1f357306-d07a-49ec-842d-c971dee0e0cd&question_id=295b9ecd-fd5b-4a6a-9632-6b0e6acb8b39&source_detail=WST01%2F02+January+2026) |
| [**WST01/02** January 2026 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2026-january-wst01-02/#q-6) | **Q6** The Normal Distribution - Jan 2026 Q6 | FRQ | 2 parts ((a), (b)) | 9 | Hard | [Go to Practice Hub](https://www.examsci.com/practice?set_id=1f357306-d07a-49ec-842d-c971dee0e0cd&question_id=f9fcf931-adfd-47ee-b5af-c63da96c5b84&source_detail=WST01%2F02+January+2026) |
| [**WST01/01** October 2025 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2025-october-wst01-01/#q-7) | **Q7** Butterfly Wingspans Normal Distribution Calculations | FRQ | 3 parts ((a), (b), (c)) | 10 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=25b5937a-ecc4-4683-af4d-df8053d3ef1d&question_id=feb22707-e71e-4720-bdab-80240d3995a3&source_detail=WST01%2F01+October+2025) |
| [**WST01/02** October 2025 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2025-october-wst01-02/#q-4) | **Q4** The Normal Distribution - Edexcel IAL S1 October 2025 Q4 | FRQ | 4 parts ((a), (b), (c), (d)) | 11 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=e7a37483-4ba0-4b94-8523-01cb41b4f829&question_id=c66794f0-62f4-4677-aba5-81fbfa85cbcf&source_detail=WST01%2F02+October+2025) |
| [**WST01/01** June 2025 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2025-june-wst01-01/#q-5) | **Q5** Histogram Interpretation and Linear Interpolation - Edexcel IAL June 2025 S1 Q5 | FRQ | 1 of 6 parts ((f)) | 1 of 14 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=eaaae1ba-24f5-41af-a961-a10e48255aea&question_id=3df2d2c7-92ad-465d-b875-47fa701192c0&source_detail=WST01%2F01+June+2025) |
| [**WST01/01** June 2025 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2025-june-wst01-01/#q-6) | **Q6** Normal Distribution and Percentiles - Edexcel IAL June 2025 S1 Q6 | FRQ | 3 of 4 parts ((a), (c), (d)) | 11 of 14 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=eaaae1ba-24f5-41af-a961-a10e48255aea&question_id=4ddad791-5037-465b-8091-d110365ae827&source_detail=WST01%2F01+June+2025) |
| [**WST01/01** January 2025 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2025-january-wst01-01/#q-5) | **Q5** The Normal Distribution - Edexcel IAL S1 Jan 2025 Q5 | FRQ | 4 parts ((a)(i), (a)(ii), (b)(i), (b)(ii)) | 13 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=7c231f6c-f773-49d3-90ff-374502de2488&question_id=96e2d55a-841d-4e2d-90fa-d572db8aad2b&source_detail=WST01%2F01+January+2025) |
| [**WST01/01** January 2025 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2025-january-wst01-01/#q-7) | **Q7** Box Plots, Outliers, and Normal Modelling - Edexcel IAL S1 Jan 2025 Q7 | FRQ | 2 of 5 parts ((d), (e)) | 4 of 8 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=7c231f6c-f773-49d3-90ff-374502de2488&question_id=f89f4bb2-c449-4f0e-9879-b1c8f8c24a47&source_detail=WST01%2F01+January+2025) |
| [**WST01/01** October 2024 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2024-october-wst01-01/#q-4) | **Q4** Normal Distribution Calculations - Edexcel IAL S1 Oct 2024 Q4 | FRQ | 2 parts ((a), (b)) | 5 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=05dfad24-ee91-470d-bedb-93d7a93723b5&question_id=0d8b8d4b-4c70-4234-bd30-ce78135d2696&source_detail=WST01%2F01+October+2024) |
| [**WST01/01** October 2024 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2024-october-wst01-01/#q-5) | **Q5** Histograms and Median Estimation - Edexcel IAL S1 Oct 2024 Q5 | FRQ | 1 of 4 parts ((d)) | 2 of 8 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=05dfad24-ee91-470d-bedb-93d7a93723b5&question_id=1d4190dd-478e-4d88-bb4b-874d3969c046&source_detail=WST01%2F01+October+2024) |
| [**WST01/01** October 2024 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2024-october-wst01-01/#q-8) | **Q8** Normal Distribution and Outliers - Edexcel IAL S1 Oct 2024 Q8 | FRQ | 2 parts ((a), (b)) | 10 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=05dfad24-ee91-470d-bedb-93d7a93723b5&question_id=1f310966-96c3-481e-a9f0-2a3bf16e7944&source_detail=WST01%2F01+October+2024) |
| [**WST01/01** June 2024 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2024-june-wst01-01/#q-5) | **Q5** The Normal Distribution - Edexcel IAL Statistics S1 June 2024 Q5 | FRQ | 3 parts ((a), (b), (c)) | 10 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=ba43818b-3c06-484a-8b01-c383055544be&question_id=481b99b8-9d71-4435-97b8-3631bc3bef39&source_detail=WST01%2F01+June+2024) |
| [**WST01/01** January 2024 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2024-january-wst01-01/#q-5) | **Q5** Discus Throws Normal Distribution - Edexcel IAL S1 Jan 2024 Q5 | FRQ | 2 parts ((a), (b)) | 7 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=bd6d9976-7db6-4123-bb8d-dc26f9a639ae&question_id=0941f4e0-6cde-4d6f-bf1b-2c049cd0ac7e&source_detail=WST01%2F01+January+2024) |
| [**WST01/01** January 2024 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2024-january-wst01-01/#q-8) | **Q8** Normal Distribution Parameter Calculations - Edexcel IAL S1 Jan 2024 Q8 | FRQ | 2 parts ((a), (b)) | 9 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=bd6d9976-7db6-4123-bb8d-dc26f9a639ae&question_id=c2edd149-a6bf-40c2-baa1-1dd92d83bb2d&source_detail=WST01%2F01+January+2024) |
| [**WST01/01** October 2023 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2023-october-wst01-01/#q-5) | **Q5** Normal Distribution and Standardisation - Edexcel IAL Statistics S1 Oct 2023 Q5 | FRQ | 5 parts ((a), (b), (c), (d), (e)) | 15 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=64e87e3b-3797-4577-a7b5-9a5f0d3c7412&question_id=64f48f09-3d76-4c9c-9c6e-b2f80dfb1510&source_detail=WST01%2F01+October+2023) |
| [**WST01/01** June 2023 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2023-june-wst01-01/#q-7) | **Q7** Normal Distribution Calculations - Edexcel IAL S1 Jun 2023 Q7 | FRQ | 4 parts ((a)(i), (a)(ii), (b), (c)) | 14 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=10c8a3bf-4c2c-43fa-81ce-07dc4d4f7e3f&question_id=bfbfab38-3cde-44b9-a172-60dc846247e1&source_detail=WST01%2F01+June+2023) |
| [**WST01/01** January 2023 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2023-january-wst01-01/#q-5) | **Q5** Normal Distribution and Outliers in Wing Lengths - Edexcel IAL S1 January 2023 Q5 | FRQ | 4 of 6 parts ((a), (b)(i), (b)(ii), (d)) | 10 of 17 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=e737c446-6240-468d-9e31-1cba09717d09&question_id=b2fa55e7-a214-4128-928b-ab0654a3658c&source_detail=WST01%2F01+January+2023) |
| [**WST01/01** October 2022 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2022-october-wst01-01/#q-5) | **Q5** Normal Distribution Weight Classification - Edexcel IAL S1 Oct 2022 Q5 | FRQ | 3 parts ((a), (b), (c)) | 12 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=2be0662d-5d5f-4f88-937a-430b5bb831d8&question_id=3531f232-4b15-4f5d-8f9f-5bce9068fccc&source_detail=WST01%2F01+October+2022) |
| [**WST01/01** June 2022 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2022-june-wst01-01/#q-6) | **Q6** The Normal Distribution - Probabilities, Expected Frequency, and Conditional Probability | FRQ | 3 parts ((a), (b), (c)) | 11 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=98e5a69c-d09d-42bb-abc2-4fb56ab2814a&question_id=a5494d0f-fc21-450d-906a-e55d9aecef01&source_detail=WST01%2F01+June+2022) |
| [**WST01/01** January 2022 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2022-january-wst01-01/#q-5) | **Q5** Normal Distribution and Probability - Edexcel IAL S1 Jan 2022 Q5 | FRQ | 3 parts ((a), (b), (c)) | 11 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=7de5bf95-3af8-43f6-ab08-d335d399d3b1&question_id=a8f15f43-d0ba-4816-a422-d1ccddf5e91d&source_detail=WST01%2F01+January+2022) |
| [**WST01/01** October 2021 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2021-october-wst01-01/#q-6) | **Q6** Normal Distribution and Shelf Optimization - Edexcel IAL S1 Oct 2021 Q6 | FRQ | 3 of 4 parts ((a), (b), (c)) | 13 of 15 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=8afe31c0-83e4-44f0-a07a-cdf6bd2d8b59&question_id=ae9e3c9f-b0bb-49d4-a0df-c504f46c034f&source_detail=WST01%2F01+October+2021) |
| [**WST01/01** June 2021 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2021-june-wst01-01/#q-4) | **Q4** Normal Distribution & Conditional Probability - Edexcel IAL S1 Jun 2021 Q4 | FRQ | 3 of 4 parts ((a), (b), (c)) | 10 of 13 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=05f14f9e-5115-4795-956d-48ffb42b7f57&question_id=dcbc5540-2e16-4a9e-a37b-1867df7b615c&source_detail=WST01%2F01+June+2021) |
| [**WST01/01** January 2021 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2021-january-wst01-01/#q-3) | **Q3** Normal Distribution Calculations - Edexcel IAL S1 Jan 2021 Q3 | FRQ | 3 of 4 parts ((a), (b), (c)) | 10 of 13 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=47377eb9-33d0-48b6-bf89-6bfd7f53bfef&question_id=1bb8be79-49c3-4f0e-8ab5-e021d8faa077&source_detail=WST01%2F01+January+2021) |
| [**WST01/01** October 2020 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2020-october-wst01-01/#q-3) | **Q3** Normal Distribution - Edexcel IAL S1 Oct 2020 Q3 | FRQ | 3 of 4 parts ((a), (b), (c)) | 10 of 13 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=d767123a-c14c-4339-8451-efe3392dc3f6&question_id=1a3555ca-6586-4270-856f-97ac77b1d52d&source_detail=WST01%2F01+October+2020) |
| [**WST01/01** October 2020 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2020-october-wst01-01/#q-6) | **Q6** Discrete and Normal Distributions - Edexcel IAL S1 Oct 2020 Q6 | FRQ | 2 of 7 parts ((e), (f)) | 6 of 15 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=d767123a-c14c-4339-8451-efe3392dc3f6&question_id=c0907c8e-2839-4e3b-a88d-10eed0844f45&source_detail=WST01%2F01+October+2020) |
| [**WST01/01** January 2020 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2020-january-wst01-01/#q-5) | **Q5** Normal Distribution - Probability and Geometric Applications | FRQ | 3 parts ((a), (b), (c)) | 14 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=060e1276-04a8-4c55-9feb-db156686577a&question_id=940d01f0-4769-4267-bb42-236762db989d&source_detail=WST01%2F01+January+2020) |
| [**WST01/01** October 2019 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2019-october-wst01-01/#q-3) | **Q3** The Normal Distribution - Edexcel IAL Statistics S1 Oct 2019 Q3 | FRQ | 2 parts ((a), (b)) | 8 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=16c43531-bb62-4052-82d4-4c39368745df&question_id=cb3f332c-3f1f-4769-a461-3eea642f1eed&source_detail=WST01%2F01+October+2019) |
| [**WST01/01** October 2019 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2019-october-wst01-01/#q-6) | **Q6** The Normal Distribution - Edexcel IAL Statistics S1 Oct 2019 Q6 | FRQ | 2 parts ((a), (b)) | 10 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=16c43531-bb62-4052-82d4-4c39368745df&question_id=eafd7e0a-fa4c-46c0-ada7-690914aabaa0&source_detail=WST01%2F01+October+2019) |
| [**WST01/01** June 2019 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2019-june-wst01-01/#q-4) | **Q4** Weights of Packages Normal Distribution - Edexcel IAL S1 Jun 2019 Q4 | FRQ | 3 of 4 parts ((a), (b), (c)) | 10 of 13 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=63157e68-d0d9-4b7d-a8fe-e9f4fd1f89fa&question_id=42407a2d-8b63-4bbd-a7dc-14265ae48cc6&source_detail=WST01%2F01+June+2019) |
| [**WST01/01** January 2019 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2019-january-wst01-01/#q-3) | **Q3** Normal Distribution and Conditional Probability - Edexcel IAL S1 Jan 2019 Q3 | FRQ | 3 parts ((a), (b), (c)) | 10 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=9835256d-c8ce-4694-88d4-4966e00f9af1&question_id=abbcbee0-d50a-4442-bdef-c5f8ef296ac1&source_detail=WST01%2F01+January+2019) |
| [**WST01/01** October 2018 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2018-october-wst01-01/#q-6) | **Q6** Normal Distribution and Financial Optimization - Edexcel IAL S1 Oct 2018 Q6 | FRQ | 5 parts ((a), (b), (c), (d), (e)) | 16 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=bccf8334-d3a5-4f52-a293-2b8bddeed272&question_id=2e4ddd4b-6355-42b9-a506-e0999a81b58c&source_detail=WST01%2F01+October+2018) |
| [**WST01/01** June 2018 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2018-june-wst01-01/#q-6) | **Q6** Normal Distribution - Edexcel IAL S1 June 2018 Q6 | FRQ | 2 parts ((a), (b)) | 9 | Hard | [Go to Practice Hub](https://www.examsci.com/practice?set_id=4623222d-7332-4dbd-9d37-2435c34c54b8&question_id=a530796e-4969-42e9-b97c-5478fc9b2215&source_detail=WST01%2F01+June+2018) |
| [**WST01/01** January 2018 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2018-january-wst01-01/#q-7) | **Q7** The Normal Distribution - Edexcel IAL S1 Jan 2018 Q7 | FRQ | 4 parts ((a), (b), (c)(i), (c)(ii)) | 11 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=e8304cdf-411e-4e4a-9d73-49a2fa428939&question_id=742bf933-799a-4b92-8f1f-0adec78c844b&source_detail=WST01%2F01+January+2018) |
| [**WST01/01** October 2017 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2017-october-wst01-01/#q-3) | **Q3** Normal distribution and conditional probability - Edexcel IAL S1 Oct 2017 Q3 | FRQ | 4 of 5 parts ((a), (b), (c), (d)) | 10 of 12 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=46dbee62-0633-41cd-9df6-71e49b160803&question_id=55b98c37-89be-4dab-918e-51cd50b60cc7&source_detail=WST01%2F01+October+2017) |
| [**WST01/01** June 2017 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2017-june-wst01-01/#q-3) | **Q3** The Normal distribution - Edexcel IAL S1 June 2017 Q3 | FRQ | 4 parts ((a), (b), (c), (d)) | 12 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=5f47d0cd-fbe6-4039-8dd6-f21014d4b490&question_id=c5034706-491b-4c33-8d76-7ed09db4bf72&source_detail=WST01%2F01+June+2017) |
| [**WST01/01** January 2017 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2017-january-wst01-01/#q-6) | **Q6** The Normal Distribution - Edexcel IAL S1 Jan 2017 Q6 | FRQ | 3 parts ((a), (b), (c)) | 8 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=1a9f502e-3d00-4385-8f4c-18d60b758de8&question_id=7c893fe2-1873-488d-a846-45f0cd88756d&source_detail=WST01%2F01+January+2017) |
| [**WST01/01** October 2016 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2016-october-wst01-01/#q-1) | **Q1** Normal Distribution probabilities - Edexcel IAL S1 Oct 2016 Q1 | FRQ | 3 parts ((a), (b), (c)) | 5 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=fbeee3bc-76de-434a-a554-f591184d5b69&question_id=534dffaa-1758-4fa0-94ee-2cf0f3b76f49&source_detail=WST01%2F01+October+2016) |
| [**WST01/01** October 2016 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2016-october-wst01-01/#q-4) | **Q4** Femur Length and Head Circumference - Edexcel IAL S1 Oct 2016 Q4 | FRQ | 1 of 6 parts ((f)) | 3 of 15 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=fbeee3bc-76de-434a-a554-f591184d5b69&question_id=25f639d8-8eda-4caa-bf49-ad8ffe1b6c63&source_detail=WST01%2F01+October+2016) |
| [**WST01/01** October 2016 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2016-october-wst01-01/#q-5) | **Q5** Weight of Jam Jars - Edexcel IAL S1 Oct 2016 Q5 | FRQ | 2 parts ((a), (b)) | 11 | Hard | [Go to Practice Hub](https://www.examsci.com/practice?set_id=fbeee3bc-76de-434a-a554-f591184d5b69&question_id=0eda80ec-ef41-4fe2-bc5e-6423d093d4e0&source_detail=WST01%2F01+October+2016) |
| [**WST01/01** October 2016 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2016-october-wst01-01/#q-6) | **Q6** Blood Pressure Analysis - Edexcel IAL S1 Oct 2016 Q6 | FRQ | 1 of 7 parts ((g)) | 1 of 17 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=fbeee3bc-76de-434a-a554-f591184d5b69&question_id=6cb17fe8-77c3-44d0-b09b-cfc1c44a0880&source_detail=WST01%2F01+October+2016) |
| [**WST01/01** June 2016 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2016-june-wst01-01/#q-7) | **Q7** Normal Distribution Word Problems - Edexcel IAL S1 June 2016 Q7 | FRQ | 4 parts ((a)(i), (a)(ii), (b), (c)) | 15 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=b4b356b9-e8c0-47d1-ad81-a1cb08b96a9f&question_id=e0f507b5-1443-46f3-bda2-9ff41f0a2811&source_detail=WST01%2F01+June+2016) |
| [**WST01/01** January 2016 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2016-january-wst01-01/#q-5) | **Q5** The Normal Distribution - Edexcel IAL S1 Jan 2016 Q5 | FRQ | 3 parts ((a), (b), (c)) | 14 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=195df171-04c9-4334-9631-0f01dce861b4&question_id=b7f2606e-4651-46f7-8ba4-018a9a9e2b0b&source_detail=WST01%2F01+January+2016) |
| [**WST01/01** June 2015 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2015-june-wst01-01/#q-5) | **Q5** Normal Distribution - Edexcel IAL S1 June 2015 Q5 | FRQ | 4 parts ((a), (b), (c), (d)) | 12 | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=589427ba-c1ca-4d7f-b977-5339870547b9&question_id=6252ad85-e5f9-410b-ad75-4b5af36d19ca&source_detail=WST01%2F01+June+2015) |
| [**WST01/01** June 2015 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2015-june-wst01-01/#q-8) | **Q8** Representing and Summarising Data - Edexcel IAL S1 June 2015 Q8 | FRQ | 1 of 7 parts ((g)) | 2 of 14 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=589427ba-c1ca-4d7f-b977-5339870547b9&question_id=631aa6c9-fe49-4a3b-b642-fef381ee1bc2&source_detail=WST01%2F01+June+2015) |
| [**WST01/01** January 2015 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2015-january-wst01-01/#q-2) | **Q2** Representation of Data - Edexcel IAL S1 Jan 2015 Q2 | FRQ | 1 of 4 parts ((d)) | 2 of 9 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=675a8bc9-486a-4943-956c-2e59b4607250&question_id=8e434ca4-43ef-43d3-b250-004ebaae1ca2&source_detail=WST01%2F01+January+2015) |
| [**WST01/01** January 2015 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2015-january-wst01-01/#q-5) | **Q5** Regression and Normal Distribution - Edexcel IAL S1 Jan 2015 Q5 | FRQ | 1 of 7 parts ((g)) | 4 of 13 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=675a8bc9-486a-4943-956c-2e59b4607250&question_id=10bcd88d-ff09-4ca1-b234-a2fe2ea20fe6&source_detail=WST01%2F01+January+2015) |
| [**WST01/01** January 2015 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2015-january-wst01-01/#q-7) | **Q7** Normal Distribution - Edexcel IAL S1 Jan 2015 Q7 | FRQ | 3 of 4 parts ((a), (b), (d)) | 10 of 11 on the paper | Easy | [Go to Practice Hub](https://www.examsci.com/practice?set_id=675a8bc9-486a-4943-956c-2e59b4607250&question_id=f64c2c5b-81bf-4628-ba99-c2a5d582abfc&source_detail=WST01%2F01+January+2015) |
| [**WST01/01** June 2014 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2014-june-wst01-01/#q-4) | **Q4** Normal Distribution Probabilities - Edexcel IAL Statistics S1 June 2014 Q4 | FRQ | 3 parts ((a), (b), (c)) | 5 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=a4ec1570-2bfb-41e3-ba03-db14c1447091&question_id=207a3c8e-21ab-49b4-b7f9-7753ca6af014&source_detail=WST01%2F01+June+2014) |
| [**WST01/01** June 2014 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2014-june-wst01-01/#q-7) | **Q7** Tennis Ball Throwing Model - Edexcel IAL Statistics S1 June 2014 Q7 | FRQ | 2 of 3 parts ((a), (b)) | 7 of 10 on the paper | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=a4ec1570-2bfb-41e3-ba03-db14c1447091&question_id=89cbe94b-9e2f-4940-adcf-9a7da1e0afac&source_detail=WST01%2F01+June+2014) |
| [**WST01/01** January 2014 · Edexcel IAL](https://www.examsci.com/past-papers/edexcel-ial/mathematics/statistics-1-wst01/2014-january-wst01-01/#q-6) | **Q6** Normal Distribution - Edexcel IAL S1 Jan 2014 Q6 | FRQ | 3 parts ((a), (b), (c)) | 9 | Medium | [Go to Practice Hub](https://www.examsci.com/practice?set_id=6f1ef4b7-f8ed-4c79-b52e-f99a49ff6aa3&question_id=f2cd25b7-dc82-4b44-b229-601028eca3aa&source_detail=WST01%2F01+January+2014) |

## Related topic questions in The Normal distribution

## Topic question rules and edge cases

**How many topic questions cover this syllabus point?**

51 question stems cover this subtopic across 36 papers, but only 139 tagged parts and 453 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.

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Full page with native tables, bar charts and Practice Hub links: https://www.examsci.com/topics/edexcel-ial/mathematics/statistics-1-wst01/the-normal-distribution/6-1-the-normal-distribution-including-the-mean-variance-and-use-of-tables-of-the/