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Data handling and analysis

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Question 61

An agricultural research station conducted a trial to compare the yields (in kilograms per plot) of heirloom tomatoes grown using two different organic fertilizers: BioGrow and NutriSoil.

Table 1: Descriptive statistics for the tomato yields (kg) per plot

	BioGrow	NutriSoil
Mean	48.6	39.2
Median	47.5	38.5
Mode	46.0	38.0
Standard deviation	4.2	11.6

What do the mean and standard deviation values in Table 1 suggest about the effectiveness of the two fertilizers on tomato yield? Justify your answer.

[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 61

An agricultural research station conducted a trial to compare the yields (in kilograms per plot) of heirloom tomatoes grown using two different organic fertilizers: BioGrow and NutriSoil.

Table 1: Descriptive statistics for the tomato yields (kg) per plot

	BioGrow	NutriSoil
Mean	48.6	39.2
Median	47.5	38.5
Mode	46.0	38.0
Standard deviation	4.2	11.6

What do the mean and standard deviation values in Table 1 suggest about the effectiveness of the two fertilizers on tomato yield? Justify your answer.

[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.