Question 550:
Jeff, I am working Trend lines for yearly data and I can't figure this step:trend line is Tt=22.6+0.45 t to generate yearly forecast. Trend line began in 1995,
(t=1 corresponds to 1995)
generate forecast for total yearly sales during 2008
This is as far as I get and I can't figure out how this step is solved
T14 = 22.6 + 0.45(14)=