Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series:   Quarter Seasonal Index Q1 73.9 Q2 84.1 Q3 107.1       Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4.   Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below:     Coefficients Intercept 2,964 Time 50.7   What is the trend projection of the series for period 119? (please round your answer to 1 decimal

MATLAB: An Introduction with Applications
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Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series:

 

Quarter
Seasonal Index
Q1
73.9
Q2
84.1
Q3
107.1
 
 


 
Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4.

 
Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below:

 

 
Coefficients
Intercept
2,964
Time
50.7


 
What is the trend projection of the series for period 119? (please round your answer to 1 decimal

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