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5 marksCumulative Frequency Curve (Ogive)

CSEC Mathematics · May/June 2013 · Paper 2 · Question 7(b)

Using a scale of 1 cm to represent $5 on the horizontal axis and 1 cm to represent 5 students on the vertical axis, draw the cumulative frequency graph for the data.

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Other parts of this question

  1. 7(a)Copy and complete the table to show the cumulative frequency.[2 marks]
  2. 7(c)(i)Use your graph to estimate the median amount of money spent.[2 marks]
  3. 7(c)(ii)Use your graph to estimate the probability that a student chosen at random spent less than $23 during the week.[2 marks]

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