Apply holt-winters double exponential smoothing

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Reference no: EM131307047

Apply Holt-Winters Double exponential smoothing (without seasonality) to forecast the values of sales X for periods 12 and 13, using α = 0.2 and β = 0.3. Assume 12 months of sales data, as shown in the table below:

	Alpha = 0.3	Beta =	0.4
t	Sales X_t	_t	T_t	_t+ T_t
1	152
2	176
3	160
4	192
5	220
6	272
7	256
8	280
9	300
10	280
11	312
12	328

Reference no: EM131307047

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