IB Math AI HL · 2021 to 2025

4.1 Introduction to statistics

14 past paper questions from 10 papers across 8 exam sessions. See what repeats, then practise the same skills with AI marking.

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HL archive · 2021 to 2026

4.1 Introduction to statistics

Latest exam session: May 2026

questions
questions
papers
papers
exam sessions
exam sessions
By year3micro-topics

Micro-topics in 4.1 Introduction to statistics

In syllabus order. The ring is the share of papers each appears in. 2 of them have no matching questions in this archive.

  • 0

    4.1.1

    Population and Samples

    No question tagged to this topic in the 63 Math AI HL papers analysed

    No matches in this archiveRevise it
  • 2

    4.1.2

    Data Classification

    1 question · in 2% of papers

    Less common

    last Spec 21 P1

  • 11

    4.1.3

    Sampling Techniques

    7 questions · in 11% of papers

    Occasional

    last May 26 P3 TZ3

  • 10

    4.1.4

    Data Reliability and Outliers

    6 questions · in 10% of papers

    Occasional

    last Nov 25 P2

  • 0

    4.1.5

    Data Quality Management

    No question tagged to this topic in the 63 Math AI HL papers analysed

    No matches in this archiveRevise it

Exam pattern

How often each micro-topic has been examined, year by year. Each label is explained under the grid.

Does it repeat?

Questions per year for each micro-topic, including those with no matches in this archive.

fewermore

Micro-topic202120222023202420252026
4.1.3Sampling TechniquesOccasional
3Sampling Techniques, 2021: 3 questions1Sampling Techniques, 2022: 1 question·Sampling Techniques, 2023: 0 questions·Sampling Techniques, 2024: 0 questions2Sampling Techniques, 2025: 2 questions1Sampling Techniques, 2026: 1 question
4.1.4Data Reliability and OutliersOccasional
1Data Reliability and Outliers, 2021: 1 question1Data Reliability and Outliers, 2022: 1 question1Data Reliability and Outliers, 2023: 1 question1Data Reliability and Outliers, 2024: 1 question2Data Reliability and Outliers, 2025: 2 questions·Data Reliability and Outliers, 2026: 0 questions
4.1.2Data ClassificationLess common
1Data Classification, 2021: 1 question·Data Classification, 2022: 0 questions·Data Classification, 2023: 0 questions·Data Classification, 2024: 0 questions·Data Classification, 2025: 0 questions·Data Classification, 2026: 0 questions
4.1.1Population and SamplesNo matches in this archive
·Population and Samples, 2021: 0 questions·Population and Samples, 2022: 0 questions·Population and Samples, 2023: 0 questions·Population and Samples, 2024: 0 questions·Population and Samples, 2025: 0 questions·Population and Samples, 2026: 0 questions
4.1.5Data Quality ManagementNo matches in this archive
·Data Quality Management, 2021: 0 questions·Data Quality Management, 2022: 0 questions·Data Quality Management, 2023: 0 questions·Data Quality Management, 2024: 0 questions·Data Quality Management, 2025: 0 questions·Data Quality Management, 2026: 0 questions
  • Occasionalin about one paper in ten
  • Less commonin fewer than one paper in fifteen
  • No matches in this archiveon the syllabus, but has no question tagged to it in this archive. This does not mean it has never been examined

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Questions on 4.1 Introduction to statistics, by exam session

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Frequently asked questions

Short answers about this page.

Which Math AI HL exam sessions are covered for 4.1 Introduction to statistics?

12 exam sessions from 2021 to 2026, the latest May 2026. Every Paper 1, 2 and 3 in every timezone is read and classified in full, which gives 10 papers in this archive.

Which 4.1 Introduction to statistics topic comes up most?

Sampling Techniques (4.1.3): in 11% of papers, last seen May 26 P3 TZ3. Usually "Identify / State", worth about 1.3 marks in a paper that includes it.

Can I see the original question and mark scheme?

No. The wording belongs to the IB. You get the citation, the marks, the command term and the skill tested, plus our own matched practice questions with worked answers and AI marking.

What do "banker", "due" and "rising" mean?

Banker: examined in at least one sitting in four and still appearing. Due: regular before, but absent for the last two exam sessions. Rising: clearly more common in the last two years. Our classification of real papers, not an IB statistic.

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Reading this page and the exam pattern is free. A free account generates three sets of ten questions and launches one practice set. Pro opens every question in any scope, sets of twenty or all, and unlimited practice.

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