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2.2 Data presentation and interpretation

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Question 20

The ages, in months, of 15 cars on a forecourt are listed below in order.

3, 5, 6, 8, 8, 9, 11, 12, 14, 15, 17, 18, 20, 23, 293,\ 5,\ 6,\ 8,\ 8,\ 9,\ 11,\ 12,\ 14,\ 15,\ 17,\ 18,\ 20,\ 23,\ 293, 5, 6, 8, 8, 9, 11, 12, 14, 15, 17, 18, 20, 23, 29

Find the median, the lower quartile and the upper quartile of these ages.

[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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