試題詳解

3. Simple exponential smoothing is being used to forecast demand. The previous forecast of 66 turned out to be five units less than actual demand. The next forecast is 66.6, implying a smoothing constant, alpha ( c ), equal to:
(A) 0.01
(B))0.10
(C)0.12
(D) 0.20
(E) 0.60