• 4.17 Refer to Solved Problem 4.1 on page 176. Using smoothing constants of .6 and .9, develop forecasts for the sales of VW Beetles. What effect did the smoothing constant have on the forecast?

Use MAD to determine which of the three smoothing constants (.3,

.6, or .9) gives the most accurate forecast. (MyLab Operations Management also includes a shorter (brief) version of this problem.)