Problem 3-21 Two different forecasting techniques (F1 and F2) were used to forecast demand for cases of bottled water. Actual demand and the two sets...

Problem 3-21

Two different forecasting techniques (F1 and F2) were used to forecast demand for cases of bottled water. Actual demand and the two sets of forecasts are as follows:

     PREDICTED DEMAND

PeriodDemandF1F216860632757160370757047469735697177672667778072778787385    a.Compute MAD for each set of forecasts. Given your results, which forecast appears to be more accurate? (Round your answers to 2 decimal place.)    MAD F1    MAD F2      (Click to select)

F2

F1

None

 appears to be more accurate.b.Compute the MSE for each set of forecasts. Given your results, which forecast appears to be more accurate? (Round your answers to 2 decimal places.)

    MSE F1    MSE F2    (Click to select)

F2

F1

None

 appears to be more accurate.c.Compute MAPE for each data set. Which forecast appears to be more accurate? (Round your intermediate calculations to 4 decimal places and and final answers to 4 decimal places.)

    MAPE F1    MAPE F2    (Click to select)

F2

F1

None

 appears to be more accurate.