Mean, median and mode, and their applications - Jamb Economics Past Questions and Answers

Question 16:

• JAMB 2001

If the arithmetic mean of 1,2,3,4,5,6,x, 16 and 18 is 8.0, find the value of x?

A. 7.0
B. 6.0
C. 8.5
D. 8.0

Question 17:

• JAMB 2004

In any set of data, median represents the

A. Value that is most representative of the data
B. Mid-position when the values are arranged in ascending or descending order
C. Mid-position when the values are arranged randomly
D. Difference between the highest and the lowest values when arranged in ascending order

Question 18:

• JAMB 2005

What is the median quantity?

A. 5kg
B. 6kg
C. 3kg
D. 4kg

Question 19:

• JAMB 2005

FIND THE MEAN PRICE OF THE DISTRIBUTION

A. N54
B. N51
C. N56
D. N59

Question 20:

• JAMB 2007

The table shows the wage distribution of workers.Calculate the mean wage

A. N7.40
B. N4.00
C. N10.00
D. N14.80