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Cambridge IGCSE Statistics practice

Paper 1 structured question: Transformations of data sets

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Transformations of data sets

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Paper 1Statistical Techniques2 marks

A data set contains the values 3, 5, 7, 9, and 11. A new value of 13 is added to the data set.

Description

Effect of Adding a Value

Consider the data set: 3, 5, 7, 9, 11. A new value of 13 is added.

  1. a

    Calculate Calculate the new median after adding the value 13.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 1 structured question: Transformations of data sets

Paper 1Statistical Techniques2 marks

Description

Effect of Removing a Value

Consider the data set: 4, 6, 8, 10, 12. The value 8 is removed.

  1. a

    Calculate Calculate the new median after removing the value 8.

    Aim for approximately 2 distinct marking points.

    [2]