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Data handling and analysis

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Question 78

A researcher investigated the effectiveness of two different study methods on exam performance. Group X used an 'Active Recall' strategy, while Group Y used a 'Passive Reading' strategy. Both groups sat the same exam out of 100.

Table 1: Descriptive statistics for the exam scores of Group X and Group Y

	Group X (Active Recall)	Group Y (Passive Reading)
Mean	75.2	58.4
Median	75.0	65.0
Mode	75.0	76.0
Standard deviation	8.1	19.6

Using the data in Table 1, explain how the distribution of scores in Group X differs from the distribution of scores in Group Y.

[4]

Markscheme

Data handling and analysis Questions

A Level
Psychology
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.

Data handling and analysis

Question bank

Data handling and analysis

Easy Medium

Question 78

Table 1: Descriptive statistics for the exam scores of Group X and Group Y

	Group X (Active Recall)	Group Y (Passive Reading)
Mean	75.2	58.4
Median	75.0	65.0
Mode	75.0	76.0
Standard deviation	8.1	19.6

Using the data in Table 1, explain how the distribution of scores in Group X differs from the distribution of scores in Group Y.

[4]

Markscheme

Data handling and analysis Questions

A Level
Psychology
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.