Representations of Data
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100 students completed a puzzle, their times are summarised by summary data and the box plot.

∑x=405∑x2=1984 \sum x = 405 \quad \sum x^2 = 1984 ∑x=405∑x2=1984
a.

Write down the range of the times.

[1]
b.

Write down the interquartile range of the times.

[1]
c.

Calculate the mean and the standard deviation of the times.

[3]
d.

State, giving a reason, whether you would recommend using the mean and standard deviation or the median and interquartile range to describe these data.

[2]

Representations of Data Questions

Practise Edexcel AS Level Maths Representations of Data with exam-style questions for AS Level Maths. 10 questions covering Outliers, Box Plots, Cumulative Frequency, Histograms, and Comparing Data, matched to the Edexcel AS Level Maths (8MA0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Representations of Data Questions

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