Deck 4: Measures of Dispersion and Their Applications

Question 1

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

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

Answer 1

valuable

Question 2

Squares of ---- is known as variance

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

Answer 2

S.D

Question 3

In standard deviation, deviations are measured from

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

Answer 3

Mean

Question 4

In Mean deviation, deviations are measured from

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

Question 5

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

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

Question 6

Graphical method of measuring variability is first used by

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

Question 7

---- means asymmetry of a distribution

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

Question 8

A measure of dispersion is an average of

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

Question 9

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

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

Question 10

---- serves as an economic barometer

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

Question 11

---- are specialized type of averages

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

Question 12

Important use of Index numbers is for

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

Question 13

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

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

Question 14

Fishers ideal index formula satisfies ---- test

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

Question 15

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

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

Question 16

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

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