A plastics manufacturing performed a quarterly time series analysis for demands over the last ﬁve
Years (periods 1 through 20). The analysis resulted in the following trend equation and seasonal
Indexes:
= 920.0 + 22.6 t
Using the trend line question and the seasonal indexes, predict demand for the third period of the
Next year, i.e., period 23.
A) 1439.8
B) 519.8
C) 629.0
D) 1195.2
E) 1742.2

Question

A plastics manufacturing performed a quarterly time series analysis for demands over the last ﬁve
Years (periods 1 through 20). The analysis resulted in the following trend equation and seasonal
Indexes: 
= 920.0 + 22.6 t 
Using the trend line question and the seasonal indexes, predict demand for the third period of the
Next year, i.e., period 23.
A) 1439.8 
B) 519.8 
C) 629.0 
D) 1195.2 
E) 1742.2

Quizplus · Accepted Answer

1742.2

A Plastics Manufacturing Performed a Quarterly Time Series Analysis for Demands