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Learning objective

1 Analyze, interpret, and make deductions from tables and statistical diagrams. 2 Evaluate and compare data sets using tables and graphs, including comparing averages and measures of spread between two data sets. 3 Understand the limitations of making conclusions based on provided data.

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Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE MathematicsExtended StatisticsSupplement content

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Quick explanation

1 Analyze, interpret, and make deductions from tables and statistical diagrams. 2 Evaluate and compare data sets using tables and graphs, including comparing averages and measures of spread between two data sets. 3 Understand the limitations of making conclusions based on provided data

  • This point belongs to Interpreting statistical data, especially Interpreting statistical data outcomes.
  • You need to be able to 1 Analyze, interpret, and make deductions from tables and statistical diagrams. 2 Evaluate and compare data sets using tables and graphs, including comparing averages and measures of spread between two data sets. 3 Understand the limitations of making conclusions based on provided data.
  • The key ideas to know are Determine, Describe, and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DetermineDescribeExplainShow

Why it matters

This objective helps connect Interpreting statistical data outcomes to exam-style questions, flashcards, and revision notes for Interpreting statistical data.

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Practice Questions7 linked questions

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Paper 2 structured question: Interpreting statistical data

Paper 2Core or Extended Mathematics4 marks

Data Table

Weekly Product Sales

The table shows the number of products sold each day.

DayNumber of Products Sold
Monday120
Tuesday150
Wednesday130
Thursday160
Friday140
  1. a

    Calculate the mean number of products sold per day.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Determine the range of products sold during the week.

    Aim for approximately 2 distinct marking points.

    [2]
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