Question:

Generally, the relation between NRR and GRR is

A.

nrr = grr

B.

nrr < grr

C.

nrr > grr

D.

none of these

Answer» b. nrr < grr

Question:

The number of observations corresponding to a class is known as ………………..ofthat class.

A.

population

B.

frequency

C.

class interval

D.

none of these

Answer» b. frequency

Question:

For a symmetrical distribution the coefficient of skewness is

A.

+1

B.

-1

C.

+3

D.

-3

Answer» c. +3

Question:

At state level, the registration of vital statistics is carried by :

A.

director of economics and statistics

B.

chief returning officer

C.

chief registrar

D.

none of the above

Answer» c. chief registrar

Question:

Registration of vital statistics is organized at the apex by :

A.

director general

B.

registrar general

C.

. census commissioner

D.

all the above

Answer» b. registrar general

Question:

Recurrent variations in time series that usually last longer than a year is known as ……………

A.

seasonal variation

B.

secular trend

C.

irregular variation

D.

cyclical variation

Answer» d. cyclical variation

Question:

Histogram can be used to estimate……………

A.

median

B.

mode

C.

mean

D.

quartile

Answer» b. mode

Question:

Data which are collected, observed or recorded at successive intervals of time isknown as ……

A.

index numbers

B.

time series

C.

regression

D.

correlation

Answer» b. time series

Question:

The measure of dispersion based on all the observations of the series is …………….

A.

range

B.

quartile deviation

C.

standard deviation

D.

inter quartile range

Answer» c. standard deviation

Question:

Fertility rates mainly doped on :

A.

total female population

B.

total population

C.

female population of child bearing age

D.

number of newly born babies

Answer» c. female population of child bearing age