The following linear trend was estimated using a time series regression with the origin in the year 2000. ŷ = 76.80 + 3.14t.
Which of the following is the forecast for the year 2013?
A)114.48
B)120.76
C)79.94
D)117.62

Question

Quizplus · Accepted Answer

To forecast the year 2013, we need to substitute t=13 in the given equation. 
ŷ = 76.80 + 3.14(13) = 117.62
Therefore, the forecast for the year 2013 is 117.62. Thus, the answer is D.

The Following Linear Trend Was Estimated Using a Time Series