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Analyze the pros and cons of different measures of central tendency and provide justification for selecting a specific measure based on the context.

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Cambridge IGCSE StatisticsMeasures of central tendency

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Quick explanation

Analyze the pros and cons of different measures of central tendency and provide justification for selecting a specific measure based on the context

  • This point belongs to Measures of central tendency, especially Measures of central tendency outcomes.
  • You need to be able to analyze the pros and cons of different measures of central tendency and provide justification for selecting a specific measure based on the context.
  • The key ideas to know are Explain, Justify, and Comment.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ExplainJustifyComment

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Paper 1 structured question: Measures of central tendency

Paper 1Statistical Techniques3 marks

Description

Employee Salary Analysis

The company wants to find the average salary of its employees, but the data set includes a few very high executive salaries that could skew the results.

  1. a

    Explain why the median might be a better measure of central tendency than the mean in this context.

    Aim for approximately 3 distinct marking points.

    [3]
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