THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The table below is the data set of the number of preorders received for a particular game on a weekly basis.
The forecaster uses the Holt-Winters Exponential Smoothing for nonseasonal series to forecast the number of preorders in future time periods.
He uses α = 0.8 and β = 0.5.(Hint: Use the formula from the text to arrive at the answers. )

-Which of the following components describe the up and down movements of a time series that vary both in length and in intensity?
A)the trend component
B)the seasonal component
C)the cyclical component
D)the irregular component

Question

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The table below is the data set of the number of preorders received for a particular game on a weekly basis.
The forecaster uses the Holt-Winters Exponential Smoothing for nonseasonal series to forecast the number of preorders in future time periods.
He uses α = 0.8 and β = 0.5.(Hint: Use the formula from the text to arrive at the answers. )
 
-Which of the following components describe the up and down movements of a time series that vary both in length and in intensity?
A)the trend component 
B)the seasonal component 
C)the cyclical component 
D)the irregular component

Quizplus · Accepted Answer

The cyclical component describes the up and down movements of a time series that vary both in length and intensity. The trend component describes the overall direction of the time series, the seasonal component describes regular and predictable fluctuations in the time series, and the irregular component describes the random fluctuations in the time series.