Measures of Location - Jamb Mathematics Past Questions and Answers

Question 26:

• JAMB 1980

The median of the set of numbers 4, 9, 4, 13, 7, 14, 10, 17 is

A. 13
B. 7
C. \(\frac{19}{2}\)
D. \(\frac{39}{4}\)
E. 10

Question 27:

• JAMB 1980

In a school, there are 35 students in class 2A and 40 in class 2B. The mean score for class 2 in an English Literature examination is 60.0 and that for 2B in the same paper is 52.5. Find, to one place of decimal, the mean for the combined classes

A. 2.5
B. 56.0
C. 56.2
D. 56.3
E. 6.5

Question 28:

• JAMB 1981

A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score?

A. 29
B. 26
C. 24
D. 25
E. 23

Question 29:

• JAMB 1981

Marks scored by some children in an arithmetic test are:5, 3, 6, 9, 4, 7, 8, 6, 2, 7, 8, 4, 5, 2, 1, 0, 6, 9, 0, 8.
The arithmetic mean of the marks is

A. 6
B. 5
C. 8
D. 7
E. 10

Question 30:

• JAMB 1981

The weights of 30 new-born babies are given as follow: 6, 9, 5, 7, 6, 7, 5, 8, 9, 5, 7, 5, 8, 7, 8, 7, 5, 6, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is

A. 6
B. 5
C. 8
D. 7
E. 10