Demand experienced over the last four months was as follows

Demand experienced over the last four months was as follows:

If to forecast demand we were using a four-period weighted moving average (with w1 = 0.5, w2 = 0.3, w3 = 0.1 and w4 = 0.1, what would our forecast for January be?

Month	Demand
September	73
October	70
November	59
December	57

According to the 4 period weighted moving average,

Forecast for January = W1*demand for December + W2*demand for November + W3*demand for October + W4*demand for September

Forecast for January = .5*57 + .3*59 + .1*70 + .1*73

Forecast for January = 60.5 or 61

Demand experienced over the last four months was as follows: If to forecast demand we were using a four-period weighted moving average (with w1 = 0.5, w2 = 0.3,

Demand experienced over the last four months was as follows

Solution

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