Question: Average percent error for Periods 1-5. Using linear regression either manually or in Excel, make a forecast for period 8 using trend projection. Calculate MSE,

Average percent error for Periods 1-5.

Using linear regression either manually or in Excel, make a forecast for period 8 using trend projection. Calculate MSE, MAD and the tracking signal. How accurate is your forecast?

Period	Actual Demand	Forecast Demand
1	48	52.69
2	45	48.97
3	47	45.82
4	45	46.76
5	40	45.36

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