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.

Question

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.

Quizplus · Accepted Answer

The Answer is D

I One Component of a Time Series Is the Secular