Methods and Tools of Economic Analysis - Jamb Economics Past Questions and Answers

Question 36:

• JAMB 2008

If the increase in the price of yams is used to estimate the inflation rate, this is an example of

A. Deductive reasoning
B. Inductive reasoning
C. Normative reasoning
D. Positive reasoning

Question 37:

• JAMB 2008

If the standard deviation of a given data is 8.2, find its variance

A. 4.1
B. 67.2
C. 82.0
D. 91.8

Question 38:

• JAMB 2008

Use the data below to answer this questions
54, 36, 62, 79, 83, 36, 62, 42, 62, and 42.
Calculate the mean?

A. 45.5
B. 55.6
C. 55.8
D. 65.8

Question 39:

• JAMB 2008

Use the data below to answer this questions
54, 36, 62, 79, 83, 36, 62, 42, 62, and 42.
What is the modal score?

A. 36
B. 42
C. 54
D. 62

Question 40:

• JAMB 2009

A cumulative frequency graph is

A. A histogram
B. An ogive
C. A bar chart
D. A pie chart