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Year 10 - Maths

Biased questioning

Sampling

Unit Summary

In this unit pupils will learn how to sample, and explore accuracy and limitations with various sampling strategies and data collection techniques.

Lesson Summary

You will learn to evaluate various real-world questionnaires and identify bias in questioning.

Key Notes

  • Questionnaires are used in a variety of jobs.
  • Questionnaires may have been designed to hide intentional bias.
  • When completing a questionnaire, the data it collects should be purposeful.

Vocabulary To Learn

  • Questionnaire: A questionnaire is a set of written questions designed to collect information from a respondent.

Common Mistakes To Avoid

  • Pupils may unintentionally add bias to their questions.

3 Quick Questions (With Answers)

1. Solve this in steps: explain the method from this lesson and why each step matters.

Questionnaires are used in a variety of jobs. Questionnaires may have been designed to hide intentional bias.

2. Use this key word in a maths sentence and explain it clearly. 'Questionnaire'

A questionnaire is a set of written questions designed to collect information from a respondent. Use this word when showing your method, then check your final answer is reasonable.

3. Spot and fix this common maths mistake.

Mistake: Pupils may unintentionally add bias to their questions. Correction: Have other pupils check questions for any bias and support their peers in rewording them.

More Lessons In This Unit

Browse all guides in the Year 10 Maths guide library.