Question: ( 2 0 pts ) Compute the mean absolute deviation ( MAD ) . Intermediate steps shown in colume D . ( 5 pts )
pts Compute the mean absolute deviation MAD Intermediate steps shown in colume D
pts Compared to the exponential smmothing method, do you think a forecasting method that corrects for trend and seasonality can provide better forecast? Why?
Hint. Please check whether the demand history shows trend or seasonality.
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