Problem 4-11 

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The following data is the actual number of car miles driven in the United States
in billions of miles (0411.wk1)
   
a) Forecast 1982 to 1988 using a simple two-period moving average. (Eviews)
 
b) Comment on your results from a.  Is this a good model?
 
c) Forecast 1982 to 1988 using SES with an alpha you believe is best. (Eviews)
 
d) Comment on your results in c.  Is it a good model?
 
e) Which method is better, the simple moving average or simple exponential
    smoothing? Why?
 

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