Daily demand for newspapers for the last 10 days been as fol

Daily demand for newspapers for the last 10 days been as follows: 24,26,30,28,27,35,27,24,28,35 (listed from oldest to mosty recent) Forecast sales for the next day using a three-day weighted moving average where the weight are 3,1 and 1 (the hightest weight is for the most recent numbers).

forecast = (3*35+1*28+1*24)/(3+1+1) = 157/5 = 31.4