The actual demand for the patients at Omaha Emergency Medical Clinic for the first six weeks of this year follows.

QUESTION:

The actual demand for the patients at Omaha Emergency 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, 0.25two 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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