Mathematics 0580 · IGCSE · Histograms

Histograms — practice question

The frequency table gives the time $t$ seconds for each of the 42 athletes in a race.

(a)[4]

Calculate an estimate for the mean time.

(b)[3]

Finish the histogram so that it displays the information in the frequency table. Two blocks have already been drawn for you.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Mid-points used soi (217.5, 221.5, 229, 254)” …