The monthly demand for units manufactured by the Acme Rocket Company has been as follows: a. Use

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The monthly demand for units manufactured by the Acme Rocket Company has been as follows:Month May June July August Units 100 80 110 115 Month September October November December Units 105 110 125

a. Use the exponential smoothing method to forecast the number of units for June to January. The initial forecast for May was 105 units; a = 0.2.
b. Calculate the absolute percentage error for each month from June through December and the MAD and MAPE of forecast error as of the end of December.
c. Calculate the tracking signal as of the end of December. What can you say about the performance of your forecasting method?

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Operations Management Processes And Supply Chains

ISBN: 9781292409863

13th Global Edition

Authors: Lee Krajewski, Naresh Malhotra, Larry Ritzman

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