Question:

Which average is affected most by extreme observations

A.

mode

B.

medium

C.

geometric mean

D.

arithmetic mean

Answer» c. geometric mean

Question:

Earthquake is an example of

A.

secular trend

B.

seasonal variation

C.

cyclical variation

D.

irregular variation

Answer» d. irregular variation

Question:

‘Primary source data is better than secondary source data’. This statement is

A.

true

B.

false

C.

neither true nor false

D.

any of the above

Answer» b. false

Question:

A moving average of a time series is the value around which a series moves over time.

A.

true

B.

false

C.

either of the above

D.

none of the above

Answer» b. false

Question:

To construct a ________we take each person’s score on x and y and plot where theymeet. Each data point represents two scores.

A.

scatter diagram

B.

histogram

C.

pie diagram

D.

ogive

Answer» a. scatter diagram

Question:

The major purpose of price index is to measure change in the …………

A.

standard of living

B.

gold content of money

C.

buying power of money

D.

capacity to produce

Answer» c. buying power of money

Question:

The positionl value which divide the data into 100 equal parts are

A.

decile

B.

percentile

C.

quartiles

D.

octiles

Answer» b. percentile

Question:

Econometric forecasts require

A.

accurate estimates of the coefficients of structural equations

B.

forecasts of future values of exogenous variables

C.

appropriate theoretical models

D.

all of the above

Answer» d. all of the above

Question:

For the list of values, 13, 18, 13, 14, 13, 16, 14, 21, 13, the mean, median, mode, andrange are in the order

A.

15, 13, 14, 8

B.

15, 14, 13, 8

C.

8, 15, 14, 13

D.

14, 15, 13, 8

Answer» b. 15, 14, 13, 8