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Examine the following Quarterly Data: t yt Quarter 1 1 5 Quarter 2 2 3 Quarter...

Examine the following Quarterly Data:

t yt
Quarter 1 1 5
Quarter 2 2 3
Quarter 3 3 11
Quarter 4 4 26
Quarter 1 5 21
Quarter 2 6 19
Quarter 3 7 31
Quarter 4 8 51
Quarter 1 9 42
Quarter 2 10 36
Quarter 3 11 51
Quarter 4 12 82

A) Calculate the seasonal indexes for each quarter.

B) Deseasonalize the time series. Produce the trend line using the deseasonalized data. Produce seasonally adjusted forecasts for each of the time periods 13, 14, 15, 16

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