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IB Maths AI SL 4.1 Sampling and Data Questions

Practise identifying populations, samples and data types, choosing sampling methods, judging bias and reliability, and assessing errors or outliers.

Syllabus
First assessment 2021
Course
Mathematics: applications and interpretation SL
Level
SL

Exam points

  • Identify the population, sample and data type, then choose or critique a sampling method for bias, reliability and missing or erroneous data.
  • Distinguish random, convenience, systematic, quota and stratified sampling and justify the choice for a stated investigation.
  • Assess outliers, recording errors and the validity of conclusions drawn from the sample.

Learn this topic

Study SL 4.1—Sampling and data conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Maths AI SL 4.1 Sampling and Data Questions question 1

[Maximum number: 1]

Elsie, a librarian, wants to investigate the length of time, T minutes, that people spent in her library on a particular day.

State whether the variable T is discrete or continuous.

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