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2.5 Data presentation and interpretation

2.5 Data presentation and interpretation

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Question 33

The supplied box plot shows journey times. An outlier is defined as a value more than 1.5×IQR1.5\times\mathrm{IQR}1.5×IQR beyond the nearer quartile.

Figure for question 3

a.

Calculate the upper outlier boundary.

[2]
b.

Verify that the separately plotted value is an outlier.

[1]
c.

Explain why it should not automatically be deleted.

[1]
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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