Basic Tools - Jamb Economics Past Questions and Answers

Question 46:

• JAMB 2012

The percentage contribution of Agricultural sector is

A. 67.5
B. 40.0
C. 32.4
D. 25.0

Question 47:

• JAMB 2013

If the standard deviation of a given data is 53, what is the variance?

A. 2082
B. 2809
C. 2808
D. 2209

Question 48:

• JAMB 2013

Which of the following set of statistical tools is used for further economic analysis?

A. The median and standard deviation
B. The mean and mode
C. The mean and standard deviation
D. The mode and median

Question 49:

• JAMB 2013

An advantage of the range as a measure of dispersion is that it

A. Can be used to calculate open-ended distribution
B. Make use of all values of observations in a distribution
C. Takes all values into consideration
D. Is useful for further statistical calculation

Question 50:

• JAMB 2013

Find the median of the following set of data 35,10,14,38,15,18,22,30 and 28

A. 10
B. 38
C. 35
D. 22