I a Time Series Is a Collection of Data Recorded

Multiple Choice

i. A time series is a collection of data recorded over a period of time, usually monthly, quarterly, or yearly.
ii. Episodic and residual variations can be projected into the future.
iii. A forecast is considered necessary in order to have the raw materials, production facilities, and staff available to meet estimated future demands.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) (i) , (ii) , and (iii) are all false statements.