Apps. and Interpretation for IBDP Maths Ebook 1 | Page 250

Your Practice Set – Applications and Interpretation for IBDP Mathematics
3. The following cumulative frequency diagram shows the results of a survey completed by
160 students on finding out the amount of time they spend travelling to school on a given
school day.
(a)
(b)
(c)
(d)
Write down the median of the amount of travelling time.
Write down the inter-quartile range of the amount of travelling time.
Find the number of students whose travelling time is within 5 minutes of the
median.
6.25% of the students spent more than k minutes to travel to school. Find the
value of k .
[2]
[2]
[3]
[3]
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