Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter

[answerhappygod]

Suppose the following are the seasonal indices for the first
three quarters of the year for a quarterly series:
Quarter
Seasonal Index
Q1
72.9
Q2
85.1
Q3
109.5
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
2983
Time
54.9
What is the trend projection of the series for period 61? (please
round your answer to 1 decimal place)