Basic Tools - Jamb Economics Past Questions and Answers

Question 16:

• JAMB 2016

Given 0.25, 1.25, 1.80, 1.110, 10.20, 10.15 and 1.55.
Determine the range?

A. 0.25
B. 10.00
C. 1.55
D. 9.95

Question 17:

• JAMB 2015

Find the range in the following data 9, 15, 6, 20, 24, 18, 12, 8, 20, 10, 5.

A. 24
B. 5
C. 19
D. 12

Question 18:

• JAMB 2015

The frequent value that occurs most in a data is

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

Question 19:

• 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 20:

• 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