A Plastics Manufacturing Performed a Quarterly Time Series Analysis for Demands

Multiple Choice

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
Based on the seasonal indexes, which quarter is expect to have 21% more demand than predicted
By the trend line?

A) 1
B) 2
C) 3
D) 4
E) 1 and 3