Listed below is the demand history for a product. If exponential smoothing is used with an alpha factor of .30, what would be the forecast for April?
Average: 100 units
January: 110 units
February: 120 units
March: 90 units
答案解析
解析：
Mar Forecast = 103 + .3(120 - 103) = 108.1
Apr Forecast = 108.1 + .3(90 - 108) = 102.7
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