Representation of data - Jamb Mathematics Past Questions and Answers

Question 76:

• JAMB 2014

The pie chart above shows the monthly distribution of a man's salary on food items. If he spent N8,000 on rice, how much did he spent on yam?

A. N42,000
B. N18,000
C. N16,000
D. N12,000

Question 77:

• JAMB 2016

The pie chart above shows the distribution of subjects offered by students in SSS III level. If 80 students enrolled in the class. What is the size of the angle of the sector in economics?

A. 24^o
B. 39^o
C. 32^o
D. 36^o

Question 78:

• JAMB 2016

\(\begin{array}{c|c}
Marks & 2 & 3 & 4 \\
\hline
Frequency & 4 & 4 & y
\end{array}\)
The table above shows the frequency distribution of marks obtained by a group of students. If the total mark is 48, find the value of y.

A. 6
B. 8
C. 7
D. 5

Question 79:

• JAMB 2016

OGIVE is constructed using

A. Third quartile range
B. Semi-quartile range
C. Cummulative frequency table
D. Inter-quartile table

Question 80:

• 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