Question: Suppose you use Winter's forecasting method instead. You obtain the following data for time t = quarter 4 2018: L_t= 1065 T_t = 15 S_t

Suppose you use Winter's forecasting method instead. You obtain the following data for time t = quarter 4 2018:

L_t= 1065

T_t = 15

S_t = 0.95

S_{t-1} = 0.9

S_{t-2} = 1.2

S_{t-3} = 1.1

Exponential smoothing parameters:

alpha=0.2

beta = 0.3

gamma = 0.2

What is the absolute value of the difference between the forecasts for quarter 2 2020 and quarter 4 2021 with Winter's method?

Suppose you use Winter's forecasting method

Quarter Sales Year 1 2019 2 2019 3 2019 4 2019 1 2020 2 2020 3 2020 4 2020 1 2021 2 2021 3 2021 4 2021 1071 1124 1119 1118 1163 1207 1207 1211 1252 1300 1298 1300

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