Basic Tools - Jamb Economics Past Questions and Answers

Question 26:

• JAMB 2004

A large standard deviation is an indication of

A. The size of the sample
B. A wide spread around the mean
C. A wide difference between the mean and the mode
D. The difference between the highest and the lowest values

Question 27:

• JAMB 2005

What is the median quantity?

A. 5kg
B. 6kg
C. 3kg
D. 4kg

Question 28:

• JAMB 2005

FIND THE MEAN PRICE OF THE DISTRIBUTION

A. N54
B. N51
C. N56
D. N59

Question 29:

• JAMB 2006

The range of the data 14,13,15,18,20,35 and 13 is

A. 20
B. 22
C. 13
D. 18

Question 30:

• JAMB 2007

The range is used to

A. Estimate the mean from grouped data
B. Calculate the standard deviation
C. Determine the spread of a set of data
D. Measure the difference between the mean and the mode