A forecasting method used to predict can opener sales applie

A forecasting method used to predict can opener sales applies the following set of weights to the last five periods of data: .1, .1,.2,.2,.4 (with .4 being applied to the most recent observation). Observed values of can opener sales are

Solution

a. the estimated demand for period 9= 0.1*33+0.1*14+0.2*28+0.2*30+0.4*52= 3.3+1.4+5.6+6+20.8= 37.1 units

b. estimated demand for the period 6= 0.1*18+0.1*22+0.2*26+0.2*33+0.4*14= 1.8+2.2+5.2+6.6+5.6= 21.4 units