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Representations of Data

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Question 34

A variable y y\,y was measured to the nearest whole number. 60 observations are given in the table below.

yyy16 – 2930 – 3637 – 4243 – 46
Frequency2114187

A histogram was drawn and the bar representing the 16 – 29 class has a width of 2.8 cm and a height of 3.6 cm.

a.

Find the width and height of the bar representing the 30 – 36 class.

[3]
b.

Find the width and height of the bar representing the 37 – 42 class.

[3]
Markscheme

Representations of Data Questions

  1. A Level
  2. /Maths
  3. /Representations of Data

160 exam-style questions on Edexcel A Level Maths Representations of Data, covering 3.1 Outliers, 3.2 Box Plots, 3.3 Cumulative Frequency, 3.4 Histograms, and 3.5 Comparing Data. Each one has a worked solution and a mark scheme showing where the marks go.

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