Question: The linear trend forecasting equation for an annual time series containing 42 values (from 1969 to 2010) on net sales (in billions of dollars) is

The linear trend forecasting equation for an annual time series containing 42 values (from 1969 to 2010) on net sales (in billions of dollars) is

a. Interpret the Y intercept, b0.
b. Interpret the slope, b1.
c. What is the fitted trend value for the tenth year?
d. What is the fitted trend value for the most recent year?
e. What is the projected trend forecast two years after the last value?

, = 1.2 + 0.5x

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