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4 marksData Analysis

CAPE Applied Mathematics Unit 1 · 2017 · Paper 2 · Question 2(a)(i)

Marks obtained by 25 students in a statistics examination are given.

Using groups of 10 and starting at 20, construct a stem-and-leaf diagram to show the data.

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Other parts of this question

  1. 2(a)(ii)Use the stem-and-leaf diagram to determine the mode, median, interquartile range, and the number of students who got 60 marks or more.[6 marks]
  2. 2(b)(i)State ONE disadvantage of displaying the data in this form.[1 mark]
  3. 2(b)(ii)State the boundaries of the SECOND class.[1 mark]
  4. 2(b)(iii)Calculate the frequency density of the FIFTH class.[2 marks]
  5. 2(b)(iv)Showing your method clearly, determine the mean number of days that the employees were late, the standard deviation, the median class, and the median number of…[11 marks]

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