Measures of Location - Jamb Mathematics Past Questions and Answers

Question 76:

• JAMB 2003

Find the mean of the distribution above

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

Question 77:

• JAMB 2004

The mean age of a group of students is 15 years. When the age of a teacher, 45 years old, is added to the age of the students, the mean of their ages becomes 18 years. Find the number of the students in the group

A. 9
B. 7
C. 42
D. 15

Question 78:

• JAMB 2005

The model height and range of heights 1.35, 1.25, 1.35, 1.40, 1.35, 1.50, 1.35, 1.50, and 1.20 are m and r respectively. Find m+2r.

A. 1.35
B. 1.65
C. 1.95
D. 3.00

Question 79:

• JAMB 2006

The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?

A. (33, 4)
B. (22, 4)
C. (33, 12)
D. (12, 4)

Question 80:

• JAMB 2006

The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?

A. (33, 4)
B. (22, 4)
C. (33, 12)
D. (12, 4)