Mathematics 4024 · O Level · Averages and measures of spread

Averages and measures of spread — practice question

The table provides data on the ages of the 80 gym members.

(a)[4]

Calculate an estimated mean age.

(b)[2]

Work out the percentage of gym members who are more than $24$ years old.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$38.675$” …