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Quarterly snow blower sales ($ thousands) along with income ($ billions) are collected from March 2007 through December 2016 (Snow blower sales data.xlsx)-Using SAS: Using
- Quarterly snow blower sales ($ thousands) along with income ($ billions) are collected from March 2007 through December 2016 ("Snow blower sales data.xlsx")-Using SAS:
- Using income and seasonality (where the first quarter is the baseline group), fit a regression model to forecast quarterly sales. Provide the equation of the line fit and interpret the slope parameters
- Evaluate the model
- Check the model assumptions
- If income was $650 (billion) during the third quarter, what would be the forecasted snow blower sales?
- Using income and seasonality (where the first quarter is the baseline group), fit a regression model to forecast quarterly sales. Provide the equation of the line fit and interpret the slope parameters
- Evaluate the model
- Check the model assumptions
- If income was $650 (billion) during the third quarter, what would be the forecasted snow blower sales?
Data:
| Period | Sales | Income |
| Mar-07 | 72962 | 218 |
| Jun-07 | 81921 | 237 |
| Sep-07 | 97729 | 263 |
| Dec-07 | 142161 | 293 |
| Mar-08 | 145592 | 318 |
| Jun-08 | 117129 | 359 |
| Sep-08 | 114159 | 404 |
| Dec-08 | 151402 | 436 |
| Mar-09 | 153907 | 475 |
| Jun-09 | 100144 | 534 |
| Sep-09 | 123242 | 574 |
| Dec-09 | 128497 | 622 |
| Mar-10 | 176076 | 667 |
| Jun-10 | 180440 | 702 |
| Sep-10 | 162665 | 753 |
| Dec-10 | 220818 | 796 |
| Mar-11 | 202415 | 858 |
| Jun-11 | 211780 | 870 |
| Sep-11 | 163710 | 934 |
| Dec-11 | 200135 | 1,010 |
| Mar-12 | 174200 | 1,066 |
| Jun-12 | 182556 | 1,096 |
| Sep-12 | 198990 | 1,162 |
| Dec-12 | 243700 | 1,187 |
| Mar-13 | 253142 | 1,207 |
| Jun-13 | 218755 | 1,242 |
| Sep-13 | 225422 | 1,279 |
| Dec-13 | 253653 | 1,318 |
| Mar-14 | 257156 | 1,346 |
| Jun-14 | 202568 | 1,395 |
| Sep-14 | 224482 | 1,443 |
| Dec-14 | 229879 | 1,528 |
| Mar-15 | 289321 | 1,613 |
| Jun-15 | 266095 | 1,646 |
| Sep-15 | 262938 | 1,694 |
| Dec-15 | 322052 | 1,730 |
| Mar-16 | 313769 | 1,755 |
| Jun-16 | 315011 | 1,842 |
| Sep-16 | 264939 | 1,832 |
| Dec-16 | 301479 | 1,882 |
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International Marketing And Export Management
Authors: Gerald Albaum , Alexander Josiassen , Edwin Duerr
8th Edition
1292016922, 978-1292016924
