GraphModerate1 mark
10(a)
Use graph paper for this question. The marks obtained by 120 students in an English test are given below: Draw the ogive and hence, estimate:
the number of students who did not pass the test if the pass percentage was 50.
Topic: Histogram / ogive / statistical graph
Previous-year question practice database
Answer
Solution diagram
Exam answer
Number of students who did not pass the test 78
Explanation
A 50% pass mark means students scoring below 50 did not pass. The cumulative frequency at 50 on the ogive is 78, so 78 students did not pass.