Question 1

A measure of dispersion is an average of

Accepted Answer

A) Deviation 
B) Skewness 
C) Median 
D) Variance A

Question 2

---- serves as an economic barometer

Accepted Answer

A) Index numbers 
B) Skewness 
C) Kurtosis 
D) None A

Question 3

In Mean deviation, deviations are measured from

Accepted Answer

A) Mean 
B) Median 
C) mode 
D) All these A

Question 4

When first quartile is 10 , third quartile is 20 , value of quartile deviation is

Accepted Answer

A) 5 
B) 2 
C) 3 
D) 1

Question 5

---- are specialized type of averages

Accepted Answer

A) Index numbers 
B) mean 
C) Median 
D) Mode

Question 6

Mean deviation is based on all values , so it is more

Accepted Answer

A) valuable 
B) Understandable 
C) Representative 
D) All these

Question 7

Squares of ---- is known as variance

Accepted Answer

A) S.D 
B) Q.D 
C) M.D 
D) Range

Question 8

According to ---- method original data are plotted on graph

Accepted Answer

A) Free hand curve 
B) Semi average 
C) moving average 
D) Least square

Question 9

Fishers ideal index formula satisfies ---- test

Accepted Answer

A) Factor reversal test 
B) Time reversal test 
C) Both 
D) none

Question 10

In standard deviation, deviations are measured from

Accepted Answer

A) Mean 
B) Median 
C) mode 
D) None

Question 11

When the measure of kurtosis is greater than ---- the distribution is leptokurtic

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3

Question 12

A measure of skewness is only the difference between 2-------

Accepted Answer

A) averages 
B) Deviation 
C) Both 
D) None

Question 13

Important use of Index numbers is for

Accepted Answer

A) Wage negotiation and wage contracts 
B) Employee satisfaction 
C) Job satisfaction 
D) welfare schemes

Question 14

If the value of a series are equal , S.D is

Accepted Answer

A) Zero 
B) One 
C) Two 
D) None

Question 15

---- means asymmetry of a distribution

Accepted Answer

A) skewness 
B) Kurtosis 
C) Moments 
D) Dispersion

Question 16

Graphical method of measuring variability is first used by

Accepted Answer

A) Max O Lorenze 
B) Carl Pearson 
C) Spiegel 
D) Fishers

Exam 4: Measures of Dispersion and Their Applications

A measure of dispersion is an average of