Question: remember: using a (three) year average A relatively recent firm has been active for the last five years and now wants to forecast annual sales

remember: using a (three) year average

A relatively recent firm has been active for the last five years and now wants to forecast annual sales for the current year, 2021, based on the following historical data: YEAR 9.000 t Sales y ty 1 9.000 2 12.000 24.000 3 11.000 33.000 4 14.000 56.000 5 17.000 85.000 15 63.000 207.000 a. What is the forecast for this year, 2021, using a three-year simple moving average? (4 pts) b. What is the forecast for this year using exponential smoothing with alpha = 0.4, if the forecast for 2019 was 15,000? (4 2016 2017 2018 2019 2020 SUM 1 4 9 16 25 55 pts) CS Scanned witamScanner c. What is the least squares trend equation that shows the best relationship between demand and year? (4 pts) d. What is the forecast for this year, 2021, using the least squares trend line you found in part c? (2 pts)

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