Question: The decomposition method of forecasting should be used when A Historical data upon which a forecast will be based has both seasonal variations as well

The decomposition method of forecasting should be used when
A Historical data upon which a forecast will be based has both seasonal variations as well as an underlying trend (either up or down)
B The coefficient of correlation for the forecast is greater than the coefficient of determination
C The economic order quantity (EOQ) needs to be calculated
D The expected value of perfect information (EVPI) needs to be calculated
The decomposition method of forecasting should be used when A Historical

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