Methods And Tools Of Economic Analysis - Economics Jamb Past Questions and Answers

Question 6 :

• JAMB 2019

From table, how many people scores above 6?

A. 25
B. 24
C. 5
D. 30

Question 7 :

• JAMB 2019

X	2	3	4	5
F	2	5	2	1

From the table, the mean of the distribution is___________

A. 2.2
B. 2.5
C. 3.2
D. 4.5

Question 8 :

• JAMB 2019

X	8	10	12	16	18	20	24
F	2	1	4	3	3	1	6

From the table, Calculate the mean?

A. 24.0
B. 17.0
C. 18
D. 27.2

Question 9 :

• JAMB 2019

X	8	10	12	16	18	20	24
F	2	1	4	3	3	1	6

From the table, Calculate the median___________

A. 24.0
B. 17.0
C. 18
D. 16

Question 10 :

• JAMB 2019

The mean is the best measure of central tendency because it__________

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