Question: Please include formulas to type in excel. thanks! Problem 3. (Forecasting 3) A formal apparel seller experiences three seasons in a year. Demand data for

Please include formulas to type in excel. thanks! Please include formulas to type in excel. thanks!
Please include formulas to type in excel. thanks!
Problem 3. (Forecasting 3) A formal apparel seller experiences three seasons in a year. Demand data for the last 3 years (9 seasons) has been given. Using the decomposition method, find the seasonal factors, the deseasonal demand, and the regression forecast for next year (i.e. seasons 10 thru 12). Table columns have been created to facilitate the solution process. All terms have their usual meaning. C19 fx C G H Problem Period Average Demand Seasonal Factor Deseasonal Demand Regression Forecast Seasonal Forecast Quarter Demand 97 110 4 1 5 11 slopes Intercepta 6 111 - 3 9 1 2 3 4 5 6 7 8 9 10 11 12 104 89 102 96 82 95 88 II Il 1 II HI 10 12 - 13 II 15 111 17 18 15 20 21 22

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