Emergency calls to Winter Park, Florida€™s 911 systems for the past 24 weeks are as follows:

(a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast of 50 calls in the first week and use É‘ = 0.1. What is the forecast for the 25th week?
(b) Reforecast each period using É‘ = 0.6.
(c) Actual calls during the 25th week were 85. Which smoothing constant provides a superiorforecast?

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WEEK CALLS! WEEK CALLS! WEEK CALLS 35 20 15 40 50 17 18 19 20 21 35 10 40 35 60 75 50 40 65 4 40 45 35 20 30 12 14 35 25 23 16 24