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Representations of Data

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Question 46

A variable y y\,y was measured to the nearest whole number. 40 observations are given in the table below.

yyy5 – 1213 – 1819 – 2223 – 24
Frequency129145

A histogram was drawn and the bar representing the 5 – 12 class has a width of 2.4 cm and a height of 3 cm.

a.

Find the width and height of the bar representing the 13 – 18 class.

[3]
b.

Find the width and height of the bar representing the 19 – 22 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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