Question 14(i)
50 students enter for a school javelin throw competition. The distance (in metres) thrown are recorded below :
Distance (inm)0−2020−4040−6060−8080−100Number of students 6 11 17 12 4
Construct a cumulative frequency table.
Distance (in m)Number of students(fi)Cumulative frequency(cf)0−20 6 620−40 11 1740−60 17 3460−80 12 4680−100 4 50