Note:-Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism.Answer completely.You will get up vote for sure. Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to testtwo forecasting methods to see which method was better over this period.MONTHJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberMonthAprilMayJuneJulyAugustSeptemberACTUAL199128a. Forecast April through September using a three-month moving average.Note: Round your answers to 2 decimal places.145164155173135133136MonthAprilMayJuneJulyAugustSeptemberThree-MonthMoving Averageb. Use simple exponential smoothing with an alpha of 0.10 to estimate April through September, using the average of January throughMarch as the initial forecast for April.Note: Round your answers to 2 decimal places.ExponentialSmoothing c-1. Calculate Mean Absolute Deviation for each method.Note: Round your answers to 2 decimal places.Three-month moving averageExponential smoothingMean AbsoluteDeviationc-2. Use Mean Absolute Deviation to decide which method produced the better forecast over the six-month period.O Exponential smoothingO Three-month moving average

Exponential Smoothing:Exponential smoothing is a time-series forecasting method that assign…

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Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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