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Data handling and analysis

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Question 2

Table 1 displays the summary statistics for the shelf life, in days, of two different varieties of tomatoes, Variety X and Variety Y, kept under controlled conditions.

Table 1: Summary statistics of tomato shelf life (in days)

Measures of central tendency	Variety X	Variety Y
Mean	17	10
Median	14	13
Mode	11	15

Identify the type of skewness (distribution shape) that the data suggest for each of Variety X and Variety Y. In each case, justify your answer by reference to the measures of central tendency.

[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

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Question 2

Table 1 displays the summary statistics for the shelf life, in days, of two different varieties of tomatoes, Variety X and Variety Y, kept under controlled conditions.

Table 1: Summary statistics of tomato shelf life (in days)

Measures of central tendency	Variety X	Variety Y
Mean	17	10
Median	14	13
Mode	11	15

Identify the type of skewness (distribution shape) that the data suggest for each of Variety X and Variety Y. In each case, justify your answer by reference to the measures of central tendency.

[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.