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4 marksData Analysis

CAPE Applied Mathematics Unit 1 · 2008 · Paper 2 · Question 1(b)(iv)

Determine the 10% trimmed mean of the data.

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Other parts of this question

  1. 1(a)Draw a stem-and-leaf diagram to display the data.[6 marks]
  2. 1(b)(i)Determine the median of the data.[2 marks]
  3. 1(b)(ii)Determine the interquartile range of the data.[4 marks]
  4. 1(b)(iii)Determine the mean of the data.[2 marks]
  5. 1(c)(i)Using a scale of 1 cm to represent 5 cars, construct a box-and-whisker plot for this distribution.[5 marks]
  6. 1(c)(ii)Hence describe the shape of the distribution.[2 marks]

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