Emergency calls to the 911 system of Gainesville, Florida, for the past 24 weeks are shown in
Question:
(a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast of 50 calls in the first week, and use α = .2. What is the forecast for week 25?
(b) Reforecast each period using α = .6.
(c) Actual calls during week 25 were 85. Which smoothing constant provides a superior forecast? Explain and justify the measure of error youused.
Transcribed Image Text:
Week 1 2 3 4 5 6 789 101 12 Calls 50 35 25 40 45 35 20 30 35 20 15 40 Week 13 14 15 16 17 18 19 20 21 22 23 24 ее Calls 55 35 25 55 55 40 35 60 75 50 40 65
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a and b See the following table Actual Smoothed Smoothed Week Value Value Forecast Value Forecast t ...View the full answer
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