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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)=

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