CAIE S1 2016 March — Question 4

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2016
SessionMarch
TopicMeasures of Location and Spread
TypeCumulative frequency graph construction then interpretation
4 A survey was made of the journey times of 63 people who cycle to work in a certain town. The results are summarised in the following cumulative frequency table.
Journey time (minutes)\(\leqslant 10\)\(\leqslant 25\)\(\leqslant 45\)\(\leqslant 60\)\(\leqslant 80\)
Cumulative frequency018505963
  1. State how many journey times were between 25 and 45 minutes.
  2. Draw a histogram on graph paper to represent the data.
  3. Calculate an estimate of the mean journey time.
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