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Data handling and analysis

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Question 37

Table 1: Germination times of Primula vulgaris under different soil treatments

	Treatment Alpha: Hydroponic Gel	Treatment Beta: Organic Compost
Mean germination time (days)	14.2	18.5
Standard deviation (days)	4.15	0.85

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

[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 37

Table 1: Germination times of Primula vulgaris under different soil treatments

	Treatment Alpha: Hydroponic Gel	Treatment Beta: Organic Compost
Mean germination time (days)	14.2	18.5
Standard deviation (days)	4.15	0.85

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

[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.