Exam-Style Problem
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June 2004 p6 q2
2481
In a recent survey, 640 people were asked about the length of time each week that they spent watching television. The median time was found to be 20 hours, and the lower and upper quartiles were 15 hours and 35 hours respectively. The least amount of time that anyone spent was 3 hours, and the greatest amount was 60 hours.
- On graph paper, show these results using a fully labelled cumulative frequency graph.
- Use your graph to estimate how many people watched more than 50 hours of television each week.
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