Mathematics 4024 · O Level · Statistical charts and diagrams

Statistical charts and diagrams — practice question

Laila asks a group of people which kind of exercise they prefer. The results are displayed in the pie chart.
(a(i))[2]

There are $90$ people who prefer running. Calculate the total number of people Laila asks.

(a(ii))[2]

Find the fraction of the group that prefer yoga. Give your answer in its simplest form.

(b(i))[3]

Complete the histogram so that it shows the data.

(b(ii))[2]

Laila aims for $11\,000$ steps each day. Find an estimate for the percentage of these $60$ days on which Laila reached her target.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: Set up the ratio $\frac{90}{135}$

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