Question:

Geometric mean of two regression coefficients is

A.

mean

B.

dispersion

C.

variation

D.

correlation

Answer» d. correlation

Question:

Age specific mortality rates fail to reveal:

A.

mortality conditions

B.

age distribution of persons

C.

sex ratio

D.

all the above

Answer» d. all the above

Question:

In India, the collection of vital statistics started for the first time in

A.

720

B.

1886

C.

1969

D.

1946.

Answer» b. 1886

Question:

Karl Pearson’s coefficient of correlation method of measuring correlation is

A.

graphic

B.

mathematical

C.

positional

D.

none of the above

Answer» b. mathematical

Question:

Standardised death rates are particularly useful for comparing death rates

A.

in males and females

B.

of two regions

C.

both

D.

none

Answer» b. of two regions

Question:

For dealing with qualitative data, the best average is …………..

A.

arithmetic mean

B.

geometric mean

C.

harmonic mean

D.

median

Answer» d. median

Question:

Maximum value of correlation is

A.

2

B.

1.5

C.

1

Answer» c. 1

Question:

∑ ∑ × 100 is the formula for calculating ……..

A.

bowley’s index

B.

fisher’s index

C.

laspeyer’s index

D.

paasche’s index

Answer» c. laspeyer’s index

Question:

Horizontal curve represents the value of coefficient of correlation to be

A.

positive

B.

negative

C.

zero

D.

all of the above

Answer» c. zero

Question:

Cost of living index is known as

A.

consumer price index

B.

whole sale price index

C.

quantity index

D.

none

Answer» a. consumer price index