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

Question 11:

• JAMB 2017

Given that ∑fx = 340 and N = 20, find the arithmetic mean.

A. 20
B. 17
C. 32
D. 9

Question 12:

• JAMB 2016

Which of the following is a set of measures of dispersion?

A. Mean and median
B. Mean and standard deviation
C. Range and variance
D. Mode and mean

Question 13:

• JAMB 2015

The frequent value that occurs most in a data is

A. Median
B. Mean
C. Mode
D. Range

Question 14:

• JAMB 2014

The best measure of dispersion to determine the tallest tree in a forest is

A. Range
B. Variance
C. Standard deviation
D. Mean deviation

Question 15:

• JAMB 1999

In a firm, three employees earns N5,500 each, four earn N3,300 each, two earns N5,000 each and one earn N7,000. The mean income of the employees is?

A. N5,200
B. N 4,760
C. N4,670
D. N2,080