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2.5 Data presentation and interpretation

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Question 14

The partially completed box plot shows the distribution of average temperatures at Heathrow in 2015.

An outlier is defined as a value more than 1.5×IQR1.5 \times \text{IQR}1.5×IQR below Q1 Q_1\,Q1​ or more than 1.5×IQR1.5 \times \text{IQR}1.5×IQR above Q3Q_3Q3​. The lowest temperature was 8∘C8^\circ\text{C}8∘C and the highest two temperatures were 23∘C23^\circ\text{C}23∘C and 28.7∘C28.7^\circ\text{C}28.7∘C.

Complete the box plot showing clearly any outliers.

[4]
Markscheme

2.5 Data presentation and interpretation Questions

  1. A Level
  2. /Maths
  3. /2.5 Data presentation and interpretation

278 exam-style questions on CCEA A Level Maths 2.5 Data presentation and interpretation, covering 2.5.1 Data presentation and interpretation, 2.5.2 Data presentation and interpretation, 2.5.3 Data presentation and interpretation, 2.5.4 Data presentation and interpretation, 2.5.5 Data presentation and interpretation, 2.5.6 Data presentation and interpretation, 2.5.7 Data presentation and interpretation, 2.5.8 Data presentation and interpretation, 2.5.9 Data presentation and interpretation, and 2.5 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

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