Question
Wine sales in the US are shown in the table below (in millions of gallons), where Year 1 represents 2017 and Year 4 represents 2020.
Wine sales in the US are shown in the table below (in millions of gallons), where Year 1 represents 2017 and Year 4 represents 2020.
| year | 1 | 2 | 3 | 4 |
| sales | 439 | 458 | 478 | 500 |
a) What method should be used to forecast sales for 2021? b) Use the method selected to forecast wine sales for 2021.
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Number Theory
Authors: George E Andrews
1st Edition
0486135101, 9780486135106
