Mathematics 0580 · IGCSE · Statistical charts and diagrams

Statistical charts and diagrams — practice question

Guillaume records the speed of each of the 100 cars. The table displays the results.

(a)[2]

Calculate the angle corresponding to the interval $45<v\le50$.

(b)[4]

Calculate an estimate for the mean speed.

(c)[3]

Finish the histogram so that it represents the data in the table.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate answer $126$” …