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I want to get this sum's answer manually solved, if possible. The regression for the deseasonalized...

I want to get this sum's answer manually solved, if possible.

The regression for the deseasonalized line in Problem 6 is y=10.5-0.31x.

  1. Use the regression line to determine the deseasonalized UR for each quarter of 2018, 2019 and 2020.
  2. Use the following seasonal factors, determined from a longer-term forecast, to calculate the seasonalized estimate for each quarter of 2018 and 2019, and the forecast for each quarter of 2020:

Q1       1.20

Q2       0.75    

Q3       0.90

Q4       1.10

  1. Graph the three years, including the forecast period.
Math   Statistics-And-Probability   
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The trend graph is

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