Measures of Location - Jamb Mathematics Past Questions and Answers

Question 36:

• JAMB 1983

If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 5, 8 then (M, D) is

A. (6, 5)
B. (5, 8)
C. (5, 7)
D. (5, 5)
E. (7, 5)

Question 37:

• JAMB 1983

The scores of set of final year students in the first semester examination in a paper are 41, 29, 55, 21, 47, 70, 70, 40, 43, 56, 73, 23, 50, 50. Find the median of the scores.

A. 47
B. 50
C. 48\(\frac{1}{2}\)
D. 48
E. 49

Question 38:

• JAMB 1983

The scores of 16 students in a Mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65, 70. What is the sum of the median and modal scores?

A. 125
B. 130
C. 140
D. 150
E. 137.5

Question 39:

• JAMB 1983

In a sample survey of a University Community, the following table shows the percentage distribution of the number of members per house hold
\(\begin{array}{c|c} \text{No. of members per household} & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & \text{Total} \\ \hline \text{No. of households} & 3 & 12 & 15 & 28 & 21 & 10 & 7 & 4 & 100\end{array}\)
What is the median?

A. 4
B. 3
C. 5
D. 4.5
E. None

Question 40:

• JAMB 1983

Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77

A. 25.12
B. 25.30
C. 25.26
D. 25.50
E. 25.75