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11.2 Data analysis

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Question 23

In a recall test, Group A (12 participants) had a mean score of 11 and Group B (8 participants) had a mean score of 17.

Calculate the mean score for all 20 participants combined.

[3]
Markscheme

11.2 Data analysis Questions

  1. GCSE
  2. /Psychology
  3. /11.2 Data analysis

72 exam-style questions on Edexcel GCSE Psychology 11.2 Data analysis, covering 11.2.1 Arithmetic and numerical computation, 11.2.2 Descriptive statistics, 11.2.3 Tables, charts and graphs, 11.2.4 Primary and secondary data, and 11.2.5 Qualitative and quantitative data. Each one has a worked solution and a mark scheme showing where the marks go.

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