(a)[1]
From the cumulative frequency diagram, obtain an estimate of the median.
(b)[2]
From the cumulative frequency diagram, obtain an estimate of the number of journeys that lasted 20 minutes or more.
Mathematics 4024 · O Level · Cumulative frequency diagrams
From the cumulative frequency diagram, obtain an estimate of the median.
From the cumulative frequency diagram, obtain an estimate of the number of journeys that lasted 20 minutes or more.