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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 Techniques1 marks

Analyzing two distributions with different means and standard deviations.

Data Table

Distributions X and Y

The table below provides the mean and standard deviation for two distributions.

DistributionMeanStandard Deviation
X608
Y7012
  1. a

    Compare Compare the average values of Distribution X and Distribution Y.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 1 structured question: Transformations of data sets

Paper 1Statistical Techniques2 marks

Data Table

Data Sets A and B

The table below shows the mean and standard deviation for two data sets.

Data SetMeanStandard Deviation
A505
B5010
  1. a

    Compare Compare the consistency of Data Set A and Data Set B.

    Aim for approximately 2 distinct marking points.

    [2]