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ZIMSEC O-Level Additional Mathematics

6.2.6.1Sampling techniques: random and non-random sampling

Sampling techniques: random and non-random sampling in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.2.6.1.1Form 4: explain the basic sampling methods and choose samples using random and non-random methods.
  2. 6.2.6.1.2Form 4: apply sampling methods to obtain representative samples.

Lessons

  • Populations, samples and sampling methods

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Sampling techniques: random and non-random sampling: sample question

1 mark

A systematic sample of 35 is to be chosen from a list of 840 learners. Every kth learner is chosen after a random start. Find k.

Only if the answer has a unit, e.g. cm or km/h.

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