Measures of Location - Jamb Mathematics Past Questions and Answers

Question 71:

• JAMB 2001

Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. Find the square of the mode.

A. 49
B. 121
C. 25
D. 64

Question 72:

• JAMB 2001

Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. The mean score is

A. 7.0
B. 8.7
C. 9.5
D. 11.0

Question 73:

• JAMB 2002

Find the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12

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

Question 74:

• JAMB 2002

The mean of a set of six numbers is 60. If the mean of the first five is 50, find the sixth number in the set.

A. 105
B. 100
C. 95
D. 110

Question 75:

• JAMB 2003

By how much is the mean of 30, 56, 31, 55, 43 and 44 less than the median?

A. 0.75
B. 0.50
C. 0.33
D. 0.17