Mathematics 0580 · IGCSE · Averages and measures of spread

Averages and measures of spread — practice question

The table gives the lengths of time, $T$ minutes, that 120 people each spend in a supermarket on one Saturday.

(a(i))[4]

Use the class mid-points to estimate the mean.

(a(ii))[4]

Finish this histogram so that it represents the information in the table.

(b)[1]

Make a comparison between the distributions of the times for the two days.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$42.8$ ” …