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CAPE Applied Mathematics Unit 1 · 2009 (second paper) · Paper 2 · Question 1(d)(iv)

Twenty-five students were surveyed on the number of hours they slept the previous night. Data values: 3, 4, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 10, 10, 13 (and one unreadable/cut off value to make 25).

State the shape of the distribution.

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Other parts of this question

  1. 1(d)(i)a)Determine the mode of the distribution.[1 mark]
  2. 1(d)(i)b)Determine the median of the distribution.[1 mark]
  3. 1(d)(ii)a)Calculate the mean number of hours that students slept.[2 marks]
  4. 1(d)(ii)b)Calculate the inter-quartile range of the hours slept.[2 marks]
  5. 1(d)(iii)Using the graph sheet provided, draw a box and whisker diagram to show this information.[3 marks]

More practice: the rest of this paper · more Data Analysis questions · all CAPE Applied Mathematics Unit 1 past papers