YEAR SALES (UNITS)

2017 100,000

2018 106,000

2019 98,000

2020 95,000

2021 110,000

18. If the above represents sales data for the last 5 years, what is the forecast for 2022 if a 3-year moving average is used?

a. 101,000

b. 111,000

c. 91,000

d. 121,000

19. Using the data above, what is the forecast for 2022 if a 3-year weighted moving average is used? Use 3 for the oldest, 5 for the next oldest, and 2 for the most recent.

A 94,900

B 96,900

C 98,900

1. 100,900