Bar chart - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A. 1.5
B. 0.8
C. 1.0
D. 1.02
E. 1.05

Question 2:

• JAMB 2019

Marks	1	2	3	4	5
Frequency	2y - 2	y - 1	3y - 4	3 - y	6 - 2y

The table above is the distribution of data with mean equals to 3. Find the value of y.

A. 5
B. 2
C. 3
D. 6

Question 3:

• JAMB 2016

The bar chart above shows the number of visitors received in a week.

How many visitors were received on Friday, Tuesday and Sunday?

A. 17
B. 22
C. 20
D. 16

Question 4:

• JAMB 2016

The bar chart above shows the marks obtained by students in a mathematics test.

How many students in all took the test?

A. 40
B. 30
C. 10
D. 20

Question 5:

• JAMB 2013

The bar chart above shows the allotment of time(in minutes) per week for selected subjects in a certain school.

What is the total time allocated to the six subjects per week?

A. 460mins
B. 720mins
C. 960mins
D. 200mins