Historical demand for a product is Demand January 12
Historical demand for a product is
Demand
January ............. 12
February ............. 11
March ............. 15
April ............. 12
May ............. 16
June ............. 15
Using a weighted moving average with weights of 0.60, 0.30, and 0.10, find the July forecast.
Using a simple three- month moving average, find the July forecast.
Using single exponential smoothing with α = 0.2 and a June forecast = 13, find the July forecast. Make whatever assumptions you wish.
Using simple linear regression analysis, calculate the regression equation for the pre-ceding demand data.
Using the regression equation in d, calculate the forecast for July.

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