Question: 1. The table below shows the demand forecasts for 1991 and 1992. Using the data in the table and the Winters Method: a-) Calculate the
1. The table below shows the demand forecasts for 1991 and 1992. Using the data in the table and the Winters Method: a-) Calculate the initial values of intersection (S0), slope (G0) and seasonal factors (Ci).
b. Assume that the demand for the first quarter of 1993 is 18. Use the parameters = 0,2, = 0,15 and = 0,10 to update the values you have obtained in first part of question.
c. Using the values obtained in option b for the first quarter of 1993, determine the estimated demand for the remaining 3 periods of 1993.

1991 demand 1992 demand amount amount 16 32 71 62 1. quarter 2. Quarter 4. Quarter 5. quarter 14 45 1. quarter 3. Quarter 2. Quarter 3. quarter 84 47 1991 demand 1992 demand amount amount 16 32 71 62 1. quarter 2. Quarter 4. Quarter 5. quarter 14 45 1. quarter 3. Quarter 2. Quarter 3. quarter 84 47
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