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2 marksFrequency Tables

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

The table shows the amount, to the nearest dollar, spent by a group of 40 students at the school canteen during a period of one week. The table has columns for 'Amount Spent ($)', 'Number of Students', and 'Cumulative Frequency'. Some cumulative frequencies are given.

Copy and complete the table to show the cumulative frequency.

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Other parts of this question

  1. 7(b)Using a scale of 1 cm to represent…[5 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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