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The table below shows the quarterly sales of Dragon Ball Z action figures in a toy store. The forecaster uses the double exponential smoothing model to determine the forecast for future periods.
Given: α = 0.7 and β = 0.3
Year: Quarter | Sales (000’s) |
1.1 | 272 |
1.2 | 239 |
1.3 | 158 |
1.4 | 219 |
2.1 | 228 |
2.2 | 198 |
2.3 | 169 |
2.4 | 238 |
3.1 | 270 |
3.2 | 246 |
3.3 | 203 |
3.4 | 284 |
4.1 | 299 |
4.2 | 267 |
4.3 | 218 |
4.4 | 293 |
5.1 | 307 |
5.2 | 258 |
5.3 | 323 |
5.4 | 296 |
6.1 | 307 |
6.2 | 271 |
6.3 | 197 |
6.4 | 266 |
The sales forecast for the 4th quarter of year 7 is approximately ________ in 000's.