Question: The table below contains data on the monthly amount, in millions of dollars, which was spent by leading national advertisers for advertising apparel and accessories

The table below contains data on the monthly amount, in millions of dollars, which was spent by "leading national advertisers" for advertising apparel and accessories in magazines, in four recent years.
Year Month 1 3 4 $8.8 10.3 $ 7.4 $6.7 January February

Source: Survey of Current Business, U.S. Department of Commerce, Washington, D.C., various dates. Use the above data to complete the following: a. Construct the worksheet for single-factor exponential smoothing with 0.20 to obtain the forecasts for the months of February through December of Year

1. Assume that the forecast for January of Year 1 is the same as the actual for January of Year 1.

b. Draw the graph of the actual values and the forecasted values for both 0.20 & 0.80

c. Explain the graph with references to the difference of 0.20 and 0.80 alphas

Year Month 1 3 4 $8.8 10.3 $ 7.4 $6.7 January February March April May June July August September October November $7.9 6.2 8.4 17.4 15.1 15.9 12.1 20.4 26.1 17.3 15.7 14.4 26.6 11.1 11.8 17.0 7.4 5.5 9.0 10.4 6.4 7.6 8.9 7.9 12.9 13.0 20.0 24.7 21.1 23.2 32.6 35.6 15.4 17.2 24.2 24.8 16.5 16.7 22.0 22.2 December 11.6 11.9 16.9 19.8 211 2.

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