Refer to the data in problem 22. a. Compute a tracking signal for the 10th month for

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Refer to the data in problem 22.

a. Compute a tracking signal for the 10th month for each forecast using the cumulative error for months 1 to 10. Use action limits of ± 4. Is there bias present? Explain.

b. Compute 2s control limits for each forecast.

134 Chapter Three Forecasting

 LO.1

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Operations Management

ISBN: 9781260575712

14th Edition

Authors: William J Stevenson

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