Question 1

The standard deviation of 10,16,10,16,10,10,16,16

Accepted Answer

A)  4
B)  6
C)  3
D)  0 C

Question 2

Co-efficient of standard deviation is

Accepted Answer

A)  SD / Mediam
B)  SD / Mean
C)  SD/ Mode
D)  AM / SD B

Question 3

Consumer price Index number is constructed for

Accepted Answer

A)  A well defined section of people
B)  All people
C)  Factory workers only
D)  All the above A

Question 4

Mean of 3 items is 30 two of them are 20 and 30. What is the other?

Accepted Answer

A)  40
B)  30
C)  20
D)  60

Question 5

Kelley's co-efficient of Skewness is based on

Accepted Answer

A)  Mean
B)  Quartiles
C)  Percentiles
D)  None of these

Question 6

Index number for the base period is always taken as

Accepted Answer

A)  200
B)  50
C)  1
D)  100

Question 7

Moving average method of fitting trend in a time series data removes the effect of

Accepted Answer

A)  Long term movements
B)  Short term movements
C)  Cyclic Variations
D)  Irregular variations

Question 8

…………… Index number is called ideal Index number

Accepted Answer

A)  Kelley's
B)  Paasche's
C)  Laspeyer's
D)  Fisher's

Question 9

Measures of central tendency are called averages of the ……….. order

Accepted Answer

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

Question 10

Index numbers are

Accepted Answer

A)  Special type of averages
B)  Measure of the economic barometers
C)  Measure of relative changes
D)  All of these

Question 11

For a normal distribution, Q3 + Q1 - 2 Median = …………

Accepted Answer

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

Question 12

……………… is called positional measure

Accepted Answer

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

Question 13

A time series is unable to adjust the influences like

Accepted Answer

A)  Customs and policy changes
B)  Seasonal changes
C)  Long term influences
D)  None of these

Question 14

When mean is less than median and median is less than mode the distribution is called ……………

Accepted Answer

A)  Symmetric
B)  Negatively skewed
C)  Positively skewed
D)  None

Question 15

…………. Index is based on the price and quantities of both base year and current year

Accepted Answer

A)  Paasche's
B)  Laspeyer's
C)  Fishers
D)  None of these

Question 16

Lorenz curve is used to study

Accepted Answer

A)  Skewness
B)  Kurtosis
C)  Correlation
D)  Dispersion

Question 17

The best average for constructing an Index number is

Accepted Answer

A)  Arithmetic mean
B)  Harmonic mean
C)  Geometric mean
D)  Weighted mean

Exam 6: Statistical Measures and Index Numbers