1993 - JAMB Mathematics Past Questions and Answers - page 6
51
The bar chart shows the distribution of marks in a class test. How many students took the test?
A
15
B
20
C
25
D
30
correct option: b
Number f students that took the test = \(\sum f\). Where f is the frequencies
= 2 + 5 + 0 + 3 + 4 + 0 + 0 + 2 + 3 + 1 + 2 = 20
Users' Answers & Comments= 2 + 5 + 0 + 3 + 4 + 0 + 0 + 2 + 3 + 1 + 2 = 20