Question 1

Fisher's formula satisfies ---- test

Accepted Answer

A)  Unit test
B)  Time reversal Test
C)  factor Reversal test
D)  All A

Question 2

----- is not a factor responsible for seasonal variation

Accepted Answer

A)  Climatic condition
B)  social customs
C)  Religious functions
D)  Operation condition D

Question 3

laspeyer's method and Paashe's method do not satisfy

Accepted Answer

A)  Unit test
B)  Factor reversal test
C)  Time reversal test
D)  None D

Question 4

In Standard deviation , deviations are taken only from ---- values of series

Accepted Answer

A)  Mean
B)  Median
C)  Mode
D)  Variance

Question 5

----- is the difference between highest and lowest values in a series

Accepted Answer

A)  Range
B)  Mean
C)  Dispersion
D)  None

Question 6

Moments are used to find a measure of

Accepted Answer

A)  Central tendency
B)  Dispersion
C)  Skewness
D)  All these

Question 7

When the frequency curve is more peaken than normal curve it is called

Accepted Answer

A)  Leptokurtic
B)  Platy
C)  Mesokurtic
D)  None

Question 8

Co. Efficient of variation is equal to

Accepted Answer

A)  (S.D/Mean) x100
B)  (S.D/Range ) x100
C)  (Mean/ S.
D)  x100
D)  None

Question 9

For comparing variability in scores of 2 Batsman we can use

Accepted Answer

A)  Standard Deviation
B)  Mean
C)  Coefficient of variation
D)  mode

Question 10

Measures of dispersion are called averages of ----- order

Accepted Answer

A)  First
B)  second
C)  Third
D)  None

Question 11

The formula of Q.D

Accepted Answer

A)  (Q3-Q1) /2
B)  (Q2-Q3) /2
C)  (Q2-Q1) /2
D)  none

Question 12

Variance = -----

Accepted Answer

A)  (S.
D)  2
B)  ?S.D
C)   (S.
D)  3
D)  1/S.D

Question 13

----- means lack of symmetry

Accepted Answer

A)  Skewness
B)  Kurtosis
C)  Range
D)  None

Question 14

Square of Standard Deviation is known as

Accepted Answer

A)  Range
B)  Variance
C)  Quartile
D)  none

Question 15

---- is a set of values arranged in chronological order

Accepted Answer

A)  Time series
B)  Index number
C)  Both
D)  None

Question 16

The most important measure of dispersion

Accepted Answer

A)  Range
B)  Mean deviation
C)  Standard deviation
D)  Quartile deviation

Question 17

In Laspear's Index number ---- year quantities are used

Accepted Answer

A)  Base
B)  Current
C)  Average
D)  None

Question 18

A distribution is skewed if Mean , Median , Mode are

Accepted Answer

A)  Equal
B)  Not equal
C)  Symmetric
D)  None

Question 19

Skewness may be ----

Accepted Answer

A)  + or -
B)  Zero
C)  Both
D)  None

Question 20

----- is a measure of peakedness

Accepted Answer

A)  Skewness
B)  Kurtosis
C)  Range
D)  Variance

Exam 2: Measures of Dispersion, Skewness, and Index Numbers