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2.2.3 Central tendency, variation and standard deviation

2.2.3 Central tendency, variation and standard deviation

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Question 7

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.

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2.2.3 Central tendency, variation and standard deviation Questions

  1. A Level
  2. /Maths
  3. /2.2.3 Central tendency, variation and standard deviation

39 exam-style questions on AQA A Level Maths 2.2.3 Central tendency, variation and standard deviation. Each one has a worked solution and a mark scheme showing where the marks go.

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