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CSEC Mathematics · January 2007 · Paper 2 · Question 6(ii)

Using a scale of 2 cm to represent a score of 5 on the horizontal axis and a scale of 2 cm to represent 10 students on the vertical axis, draw a cumulative frequency curve of the scores. Start your horizontal scale at 20.

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Other parts of this question

  1. 6(i)Copy and complete the table above to show the cumulative frequency for the distribution.[2 marks]
  2. 6(iii)Using the cumulative frequency curve, determine the median score for the distribution.[2 marks]
  3. 6(iv)What is the probability that a student chosen at random has a score greater than 40?[2 marks]

More practice: the rest of this paper · more Cumulative Frequency Curve (Ogive) questions · all CSEC Mathematics past papers