Representation of data - Jamb Mathematics Past Questions and Answers

Question 46:

• JAMB 2001

The bar chart above shows different colours of passing a particular point of a certain street in two minutes. What fraction of the total number of cars is yellow?

A. ³/₂₅
B. ²/₂₅
C. ¹/₅
D. ⁴/₁₅

Question 47:

• JAMB 2001

The bar chart shows different colours of cars passing a particular point of a certain street in two minutes. What fraction of the cars is yellow

A. \(\frac{1}{5}\)
B. \(\frac{2}{25}\)
C. \(\frac{4}{15}\)
D. \(\frac{3}{25}\)

Question 48:

• JAMB 2001

The graph shows the cumulative frequency of the distribution of masses of fertilizer for 48 workers in one institution. Which of the following gives the inter-quartile range?

A. \(\frac{1}{2}(Q_3 - Q_1)\)
B. Q₃ - Q₂
C. Q₃ - Q₂
D. Q₃ - Q₁

Question 49:

• JAMB 2002

The acres for rice, pineapple, cassava, cocoa, and palm oil in a certain district are given respectively as 2, 5, 3, 11, and 9. What is the angle sector for cassava in a pie chart?

A. 108°
B. 180°
C. 36°
D. 60°

Question 50:

• JAMB 2002

No. of days	1	2	3	4	5	6
No. of students	20	x	50	40	2x	60

The distribution above shows the number of days a group of 260 students were absents from school in a particular term. How many students were absent for at least four days in the term

A. 210
B. 40
C. 120
D. 160