a. Compute a three-week moving average forecast for the arrival of medical clinic patients in week 4. The numbers of arrivals for the past 3 weeks were as follows: Week          Patient Arrivals1                        4002                        3803                        411 b. If the actual number of patient arrivals in week 4 is 415, what is the forecast error for week 4?c. What is the forecast for week 5?

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