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Cambridge IGCSE Statistics practice

Paper 1 structured question: Bivariate distributions

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Bivariate distributions

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Paper 1Statistical Techniques3 marks

The table below shows the number of hours spent exercising and the number of calories burned for several people.

Data Table

Exercise and Calories Burned

Hours ExercisedCalories Burned
1200
2400
3600
4800
51000
  1. a

    Describe the correlation between hours exercised and calories burned.

    Aim for approximately 3 distinct marking points.

    [3]

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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]