Mathematics 4024 · O Level · Statistical charts and diagrams

Statistical charts and diagrams — practice question

The ages of the guests at a family party were collected and organised in the table below. Age ($b$ years): $5 < b \leq 10$, $10 < b \leq 20$, $20 < b \leq 30$, $30 < b \leq 50$. Frequency: $p$, $18$, $14$, $q$. Some of these results are shown in the histogram below.
(a(i))[1]

Use the histogram to determine the value of $p$.

(a(ii))[1]

Use the histogram to determine the value of $q$.

(b)[1]

Complete the histogram.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: p = 5

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