STATISTICS - Jamb Mathematics Past Questions and Answers

Question 241:

• JAMB 2004

A committee of six is to be formed by a state governor from nine state commissioners and three members of the state house of assembly. In how many ways can the members of the committee be chosen so as to include one member of the house of assembly

A. 378 ways
B. 462 ways
C. 840 ways
D. 924 ways

Question 242:

• JAMB 2004

The weight of 10 pupils in a class are 15 kg, 16 kg, 17 kg, 18 kg, 16 kg, 17 kg, 17 kg, 17 kg, 18 kg, and 16 kg. What is the range of this distribution?

A. 4
B. 3
C. 1
D. 2

Question 243:

• JAMB 2004

I. Rectangular bars of equal width
II. The height of each rectangular bar is proportional to the frequency of the corresponding class interval.
III. Rectangular bars have common sides with no gaps in between
A histogram is described completely by

A. I, II and III
B. I and II
C. II and III
D. I and III

Question 244:

• JAMB 2005

The histogram above shows the distribution of monthly incomes of the workers in a company. How many workers earn more than N700.00?

A. 16
B. 12
C. 8
D. 6

Question 245:

• JAMB 2005

The grades of 36 students in a test are shown in the pie chart above. How many students had excellent?

A. 7
B. 8
C. 9
D. 12