The actual demand for the patients at Moncton Medical Clinic for the first six weeks of this

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The actual demand for the patients at Moncton Medical Clinic for the first six weeks of this year follows:

Week                     Actual No. of Patients

1 ...........................................65
2 ...........................................62
3 ...........................................70
4 ...........................................48
5 ...........................................63
6 ...........................................52


Clinic administrator Marc Schniederjans wants you to forecast patient demand at the clinic for week 7 by using this data. You decide to use a weighted moving average method to find this forecast. Your method uses four actual demand levels, with weights of 0.333 on the present period, 0.25 one period ago, 0.25 two periods ago, and 0.167 three periods ago.
a) What is the value of your forecast?
b) If instead the weights were 20, 15, 15, and 10, respectively, how would the forecast change? Explain why.
c) What if the weights were 0.40, 0.30, 0.20, and 0.10, respectively? Now what is the forecast for week 7?

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Operations Management Sustainability and Supply Chain Management

ISBN: 978-0133764345

2nd Canadian edition

Authors: Jay Heizer, Barry Render, Paul Griffin

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