A time series consists of ________.

(a)

Five components

(b)

Four components

(c)

Three components

(d)

Two components

The component of a time series attached to long term variation is trended as ________.

(a)

Cyclic variation

(b)

Secular variations

(c)

Irregular variation

(d)

Seasonal variations

Another name of consumer’s price index number is: ________.

(a)

Whole-sale price index number

(b)

Cost of living index

(c)

Sensitive

(d)

Composite

Laspeyre’s index = 110, Paasche’s index = 108, then Fisher’s Ideal index is equal to: ________.

(a)

110

(b)

108

(c)

100

(d)

109

Consumer price index are obtained by: ________.

(a)

Paasche’s formula

(b)

Fisher’s ideal formula

(c)

Marshall Edgeworth formula

(d)

Family budget method formula

The causes leading to vast variation in the specification of a product are usually due to _____

(a)

random process

(b)

assignable causes

(c)

non-traceable causes

(d)

all the above

An additive model of time series with the components T, S, C and I is __________

(a)

y = T + S + C - I

(b)

y = T + S x C + I

(c)

y = T + S + C + I

(d)

y = T + S + C x I

Chance variation does not affect _____ of the product

(a)

price

(b)

value

(c)

quantity

(d)

quality

The components used in the time series y = T + S + C + l are __________

(a)

seasonal

(b)

secular

(c)

trend value

(d)

original value

Seasonal variations can be measured when the data are available in season wise __________

(a)

weeks

(b)

days

(c)

months

(d)

Quarters