Mathematics 0580 · IGCSE · Averages and measures of spread

Averages and measures of spread — practice question

The daily number of trains that stop at Pherlak Station over 20 days is listed below. 15 14 16 14 13 13 12 15 16 15 14 13 14 13 13 12 11 12 10 10
(a(i))[2]

Fill in the table to show the frequency of the number of trains stopping each day.

(a(ii))[1]

State the modal number of trains stopping each day.

(a(iii))[2]

Work out the mean daily number of trains stopping.

(a(iv))[1]

Write down this time in 24-hour clock format.

(b(i))[1]

State the modal number of trains stopping each day at Sparke Station.

(b(ii))[1]

Write down the range for the number of trains stopping each day at Sparke Station.

(b(iii))[1]

Write one statement comparing the number of trains stopping each day at Pherlak Station with those stopping at Sparke Station.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: Frequencies identified correctly as \(2, 1, 3, 5, 4, 3, 2\)

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI