Question: Infoworks is a discount computer store. Infoworks has collected data on computer and printer sales for the past 10 years as follows.

a. Develop a linear trend line forecast to forecast printer demand in year 11

b. Develop a linear regression model relating printer sales to computer sales to forecast printer demand in year 11 if 1300 computers are sold.

c. Compare the two forecasts developed above and indicate which you think is more accurate. Why?