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2 marksFrequency Tables

CSEC Mathematics · January 2015 · Paper 2 · Question 7(a)(i)

The masses of 60 parcels collected at a post office were grouped and recorded as shown in the histogram below.

Complete the table below to show the information given in the histogram.

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Other parts of this question

  1. 7(a)(ii)Complete the column headed "Cumulative Frequency".[1 mark]
  2. 7(b)On the grid provided on page 19, using a scale of 2 cm to represent 5 kg on the x-axis and 2 cm to represent 10 parcels on the y-axis, draw the cumulative…[5 marks]
  3. 7(c)Use the graph drawn at (b) to estimate the median mass of the parcels. Draw lines on your graph to show how this estimate was obtained.[2 marks]

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