(a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast..

(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.

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