Question: 2. Consider the quarterly sales data: datal = {10, 31, 43, 16, 11, 33, 45, 17, 14, 46, 50, 21, 19, 41, 55, 25} Forecast

2. Consider the quarterly sales data: datal = {10, 31, 43, 16, 11, 33, 45, 17, 14, 46, 50, 21, 19, 41, 55, 25} Forecast the next quarters sales by employing an appropriate Holt-Winters method. Let a = 0.2 B = 0.1 = 0.1. Determine the initial values for level, trend and seasonality

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