Mathematics 4024 · O Level · Histograms

Histograms — practice question

In a school with $270$ children, the distance each child could swim was recorded. These distances are summarised in a table.

(a)[2]

Complete the table so that the frequency densities are shown.

(b)[1]

Calculate an estimate of how many children could swim more than $400$ metres.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The values are $1.1,\;0.5,\;0.2,\;0.1$” …