2 The Forever Young Cosmetics Company used forecast model 2 to forecast demand for a different product Eight weeks of actual data and forecast data are shown below a Calculate the MAD based on these 8 weeks of data b Calculate the MSE based on these 8 weeks of data WEEK DEMAND FORECAST WEEK DEMAND FORECAST 1 136 150 5 127 150 234 151 160 6 183 160 185 165 144 150 78 172 165 158 160

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Question: 2. The Forever Young Cosmetics Company used forecast model 2 to forecast demand for a different product. Eight weeks of actual data and forecast data

2. The Forever Young Cosmetics Company used forecast model 2 to forecast demand for a different product. Eight weeks of actual data and forecast data are shown below.

WEEK DEMAND FORECAST WEEK DEMAND FORECAST 1 136 150 5 127 150

a. Calculate the MAD based on these 8 weeks of data.

b. Calculate the MSE based on these 8 weeks of data.

WEEK DEMAND FORECAST WEEK DEMAND FORECAST 1 136 150 5 127 150 234 151 160 6 183 160 185 165 144 150 78 172 165 158 160

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