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Exam-style practice

Transformations of data sets answer explanations

Review worked answers and explanations for Transformations of data sets. Aligned to Cambridge IGCSE Statistics.

Answer explanations

Question 1 of 12

Review the answer support, then move sideways through the set.

Paper 1 structured question: Transformations of data sets

Paper 1Statistical Techniques4 marks

Description

Dataset Transformation

Consider the dataset: 2, 4, 6, 8, 10.

  1. a

    Calculate the mean of the dataset after adding 3 to each number.

    [2]
  2. b

    Calculate the standard deviation of the dataset after adding 3 to each number.

    [2]