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2.2 Data presentation and interpretation

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Question 5
86%

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

yyy10 – 1920 – 2425 – 2829 – 30
Frequency137155

A histogram was drawn and the bar representing the 10 – 19 class has a width of 2.5 cm and a height of 2.6 cm.

a.

Find the width and height of the bar representing the 20 – 24 class.

[3]
b.

Find the width and height of the bar representing the 25 – 28 class.

[3]
Markscheme

2.2 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.2 Data presentation and interpretation

105 exam-style questions on WJEC A Level Maths 2.2 Data presentation and interpretation, covering 2.2.1 Data presentation and interpretation, 2.2.2 Data presentation and interpretation, 2.2.3 Data presentation and interpretation, 2.2.4 Data presentation and interpretation, 2.2.5 Data presentation and interpretation, 2.2.6 Data presentation and interpretation, 2.2.7 Data presentation and interpretation, 2.2.8 Data presentation and interpretation, and 2.2 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

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