A large automobile parts supplier keeps track of the demand for a particular part needed by its customers, automobile manufacturers. The time series plot below shows monthly demand for this part (in thousands) for a five-year period. The dominant component(s) in this time series is(are)
A) cyclical.
B) irregular.
C) seasonal and trend.
D) cyclical and irregular.
E) No time series component is dominant. The time series is random walk.

Question

A large automobile parts supplier keeps track of the demand for a particular part needed by its customers, automobile manufacturers. The time series plot below shows monthly demand for this part (in thousands) for a five-year period. The dominant component(s) in this time series is(are) 
A) cyclical. 
B) irregular. 
C) seasonal and trend. 
D) cyclical and irregular. 
E) No time series component is dominant. The time series is random walk.

Quizplus · Accepted Answer

The Answer is C

A Large Automobile Parts Supplier Keeps Track of the Demand