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” …