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Learning objective

Know and apply terms related to correlation, including identifying the correlation between variables from a scatter diagram or table: positive correlation, negative correlation, weak correlation, strong correlation, and no correlation.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE StatisticsBivariate distributions

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Quick explanation

Know and apply terms related to correlation, including identifying the correlation between variables from a scatter diagram or table: positive correlation, negative correlation, weak correlation, strong correlation, and no correlation

  • This point belongs to Bivariate distributions, especially Bivariate distributions outcomes.
  • You need to be able to know and apply terms related to correlation, including identifying the correlation between variables from a scatter diagram or table: positive correlation, negative correlation, weak correlation, strong correlation, and no correlation.
  • The key ideas to know are Define, Describe, and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineDescribeIdentify

Why it matters

This objective helps connect Bivariate distributions outcomes to exam-style questions, flashcards, and revision notes for Bivariate distributions.

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Practice Questions7 linked questions

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Paper 1 structured question: Bivariate distributions

Paper 1Statistical Techniques1 marks

Diagram Description

Scatter Diagram Description

Points generally rise from left to right, indicating a trend, but points are not tightly clustered.

  1. a

    Identify the type of correlation shown by the scatter diagram.

    Aim for approximately 1 distinct marking point.

    [1]
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