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Data handling and analysis

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Question 54

Table 1: Performance under different environmental conditions

	Condition A: Silent Environment	Condition B: Noisy Environment
Mean completion time (seconds)	45.2	62.8
Standard deviation	12.45	3.12

Explain why the standard deviation values shown in Table 1 are useful descriptive statistics for the cognitive researcher.

[2]

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 54

Table 1: Performance under different environmental conditions

	Condition A: Silent Environment	Condition B: Noisy Environment
Mean completion time (seconds)	45.2	62.8
Standard deviation	12.45	3.12

Explain why the standard deviation values shown in Table 1 are useful descriptive statistics for the cognitive researcher.

[2]

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.