I One Component of a Time Series Is the Secular

Multiple Choice

i. One component of a time series is the secular trend that is the smooth movement of a series over a short period of time, such as a few months or quarters.
ii. Many business and economic time series have a recurring seasonal pattern.
iii. One component of a time series is cyclical variation. An example of cyclical variation is the business cycle that consists of periods of prosperity followed by periods of recession, depression, and recovery.

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.