The Following Trend Projection Is Used to Predict Quarterly Demand

question 115

Essay

The following trend projection is used to predict quarterly demand: y-hat = 250 - 2.5x,where x = 1 in the first quarter.Seasonal (quarterly)indices are Quarter 1 = 1.5;Quarter 2 = 0.8;Quarter 3 = 1.1;and Quarter 4 = 0.6.What is the seasonally adjusted forecast for the next four quarters?

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