Mathematics 4024 · O Level · Averages and measures of spread

Averages and measures of spread — practice question

300 students are involved in a competition. The table gives the details of their scores.

(a)[4]

Calculate an estimated mean score.

(b)[3]

On the grid, complete the histogram so that it represents the data in the table.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “52.4, or $52\frac25$.” …