Question:

In time-series analysis, which source of variation can be estimated by the ratio-to-trendmethod

A.

cyclical

B.

trend

C.

seasonal

D.

irregular

Answer» c. seasonal

Question:

How many elements of a data set are between the first and third quartiles

A.

one half

B.

one third

C.

one fourth

D.

three fourths

Answer» a. one half

Question:

Which of the following is not a measure of central tendency

A.

interquartile range

B.

median

C.

mode

D.

geometric mean

Answer» a. interquartile range

Question:

The property of average or expected value is equal to true value of the coefficient is theproperty of

A.

zero variance

B.

minimum variance

C.

zero mean

D.

minimum mean

Answer» b. minimum variance

Question:

Laspeyre’s formula does not obey

A.

factor reversal test

B.

time reversal test

C.

circular test

D.

none

Answer» b. time reversal test

Question:

Factor Reversal test is satisfied by

A.

fisher\s ideal index

B.

laspeyres index

C.

paasches index

D.

none of the above

Answer» a. fisher\s ideal index

Question:

The________ of group indices given the General Index

A.

harmonic mean

B.

arithmetic mean

C.

geometric mean

D.

none of the above

Answer» b. arithmetic mean

Question:

“Sensex” is related to

A.

bse

B.

nse

C.

rbi

D.

sebi

Answer» a. bse

Question:

In a time series analysis it is often important to analyze seasonal variations

A.

true

B.

false

C.

either of the above

D.

none of the above

Answer» a. true

Question:

If a positive correlation exists between height and weight, a person with above averageheight is expected to have above average weight

A.

true

B.

false

C.

insufficient information to draw a conclusion

D.

all of the above

Answer» a. true