Techniques using the mean absolute deviation

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Reference no: EM13823337

Last week's sales of iMac computers at an Apple Store in Oklahoma City, OK, are shown in the following table:

Day	Sales (Dollars)
1	180
2	150
3	210
4	225
5	195
6	190
7	230

Use the 3-day moving average method for forecasting days 4-7.
Use the 3-day weighted moving average method for forecasting days 4-7. Use Weight 1 day ago = 2, Weight 2 days ago = 4, and Weight 3 days ago = 3.
Compare the techniques using the mean absolute deviation (MAD).

Reference no: EM13823337

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