The forecast for 2002 if the time series started in 1995 is 26.9 for 2002.
What is linear time series trend ?
The linear trend model strives to identify the slope and intercept that give the best average fit to all prior data, and its divergence from the data is often most at the very end of the time series.
It is given that there is a linear time series trend,
In 1995
Y' = 5.2 + 3.1t
In 2002 , After 7 years
Y' = 5.2 +3.1 *7
Y' = 26.9
The forecast is 26.9 for 2002.
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