GraphModerate2 marks
9(a)
40 students enter for a game of shot-put competition. The distance thrown (in metres) is recorded below: Use a graph paper to draw an ogive for the above distribution. Use a scale of 2 cm = 1 m on one axis and 2 cm = 5 students on the other axis. Hence using your graph find:
Number of students who cover a distance which is above 16½ m.
Topic: Histogram / ogive / statistical graph
Previous-year question practice database
Answer
Solution diagram
Exam answer
Number of students above 16½ m = 40−35= 5
Explanation
The ogive shows a cumulative frequency of about 35 at 16.5 m. Therefore 40 − 35 = 5 students threw farther than 16.5 m.