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Holt-winters double exponential smoothing

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Apply Holt-Winters Double exponential smoothing (without seasonality) to forecast the values of sales X for periods 13 and 14, using α = 0.2 and β = 0.3. Assume 12 months of sales data, as shown in the table below:

Month t

Sales Xt

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: EM131281131

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