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A Plastics Manufacturing Performed a Quarterly Time Series Analysis for Demands

Question 58

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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: 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 25% less demand than predicted by the trend line? A) 1 B) 2 C) 3 D) 4 E) 1 and 3 = 920.0 + 22.6 t 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 25% less demand than predicted by the trend line? A) 1 B) 2 C) 3 D) 4 E) 1 and 3 Based on the seasonal indexes, which quarter is expect to have 25% less demand than predicted by the trend line?


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

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