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IB Maths AA SL 4.1 Sampling and Data Questions

Practise identifying simple, systematic, quota, stratified and convenience sampling, then explaining bias and choosing a representative method.

Syllabus
First assessment 2021
Course
Mathematics: analysis and approaches SL
Level
SL

Exam points

  • Distinguish population, sample, random sample, discrete data and continuous data, and choose an appropriate sampling method for the stated context.
  • Evaluate reliability by identifying bias, missing data, recording errors and outliers in a data-collection process.

IB Maths AA SL 4.1 Sampling and Data Questions question 1

[Maximum number: 1]

A supermarket analyses the shopping habits of its customers.
The number of times, X, each customer visits the supermarket in a week is given by the following probability distribution.

Table for Question IB Maths AA SL 4.1 Sampling and Data Questions question 1 — IB Maths AA SL

Identify which one of the following best describes the manager's sampling method. Circle your answer.

Simple random / Systematic / Convenience / Quota / Stratified

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