Basic Tools - Jamb Economics Past Questions and Answers

Question 36:

• JAMB 2009

A cumulative frequency graph is

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

Question 37:

• JAMB 2009

The percentage contribution of the transport sector is:

A. 600.0
B. 166.7
C. 60.0
D. 16.7

Question 38:

• JAMB 2010

The standard deviation of a set of data is

A. Always measured from the mode
B. The most representative of averages
C. Always measured from the median
D. A measure of dispersion

Question 39:

• JAMB 2010

The mean is the best measure of central tendency because it

A. Is not affected by extreme values in a data
B. Is a midpoint value in an array of data
C. Is a balancing point in an observation
D. Can be calculated from incomplete data

Question 40:

• JAMB 2010

The most popular sizes of dresses and shoes are determined by the

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