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Data handling and analysis

Data handling and analysis

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Question 48

The results of a clinical trial investigating the efficacy of a new insomnia treatment are shown in Table 1.

Table 1: Sleep Quality Study Results

Improved Sleep QualityNo Improvement
Treatment Group5418
Control Group2266

Which of A, B, C or D is the correct percentage of all participants in the study who reported improved sleep quality?

Shade one box only.

A

25.0%25.0\%25.0%

B

47.5%47.5\%47.5%

C

52.5%52.5\%52.5%

D

75.0%75.0\%75.0%

Markscheme

Data handling and analysis Questions

  1. A Level
  2. /Psychology
  3. /Data handling and analysis

235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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