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2 marksData Analysis

CAPE Applied Mathematics Unit 1 · 2022 · Paper 2 · Question 2(a)(iii)

A table shows scores obtained by 100 candidates in an examination.

Determine the number of candidates who failed the exam if the pass mark was 60. You must show lines on the cumulative frequency curve drawn in (a)(ii).

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(a)(i)Complete the cumulative frequency row in the table provided.[4 marks]
  2. 2(a)(ii)On the grid provided on page 9, draw the cumulative frequency curve to represent the information in the table.[5 marks]
  3. 2(a)(iv)Determine the minimum mark required to score a grade A if 10 candidates earned A's in the examination. You must show lines on the cumulative frequency curve…[3 marks]
  4. 2(a)(v)Calculate the mean score.[3 marks]
  5. 2(b)(i)Determine the median score.[1 mark]
  6. 2(b)(ii)Determine how many students scored more than 60.[1 mark]
  7. 2(b)(iii)Calculate the interquartile range.[3 marks]
  8. 2(b)(iv)Construct a box-and-whisker diagram to represent the data in the stem-and-leaf plot.[3 marks]

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