Question:

Statistics can……………

A.

prove anything

B.

disprove any thing

C.

neither prove nor disprove anything is just a tool

D.

none of these

Answer» c. neither prove nor disprove anything is just a tool

Question:

The best measure of central tendency is …………….

A.

arithmetic mean

B.

geometric mean

C.

median

D.

harmonic mean

Answer» a. arithmetic mean

Question:

If one of the regression coefficients is greater than 1, then the other must be:

A.

greater than 1

B.

equal to 1

C.

less than 1

D.

zero

Answer» c. less than 1

Question:

The day to day irregularities in business activity are the example of

A.

secular trend

B.

seasonal fluctuations

C.

cyclical fluctuations

D.

random or erratic fluctuations

Answer» d. random or erratic fluctuations

Question:

Graph of variables having linear relation will be

A.

curved

B.

hyperbola

C.

straight line

D.

none of the above

Answer» c. straight line

Question:

Histogram is a ………………

A.

graph

B.

curve

C.

diagram

D.

pictogram

Answer» a. graph

Question:

Spearman’ s method of calculating coefficient of correlation is basedon

A.

magnitude

B.

rank

C.

actual figure

D.

none of the above

Answer» b. rank

Question:

With the help of histogram we can prepare

A.

frequency polygon

B.

frequency cure

C.

both

D.

done

Answer» c. both

Question:

Crude Death Rate (CDR) =

A.

× 100

B.

× 1000

C.

× 1000

D.

none of these

Answer» b. × 1000

Question:

Laspeyres index measures change in

A.

fixed market basket

B.

current consumption

C.

both fixed and current market basket

D.

none

Answer» a. fixed market basket