Question: Emergency calls to the 911 system of Durham North Carolina

Emergency calls to the 911 system of Durham, North Carolina, for the past 24 weeks are shown in the following table:


a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast of 50 calls in the first week, and use a = .2. What is the forecast for week 25?
b) Reforecast each period using a = .6.
c) Actual calls during week 25 were 85. Which smoothing constant provides a superior forecast? Explain and justify the measure of error youused.
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  • CreatedMarch 20, 2014
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