Forecast Methods: Suppose you had collected data on US Real GDP Growth (seasonally adjusted) from 2017Q1 through 2019Q1

Date. t RGDP Growth (Y )

2017.Q1 1 2.3%

2017 Q2 2. 1.7%

2017 Q3 3 2.9%

2017 Q4 4 3.9%

2018 Q1 5 3.8%

2018 Q2 6. 2.7%

2018 Q3 7 2.1%

2018 Q4 8. 1.3%

2019 Q1 9. 2.9%

Using each method listed below, form forecasts for 2019 Q2, Q3, Q4, and 2020 Q1.

(a) Random Walk/Naive Method

(b) Seasonal Naive Metho