Example:Emergency call to the fire department over the past 15 weeks are the following:20, 27, 25, 22, 18, 21, 26, 19, 16, 28, 25, 26, 17, 23, 27Use exponential smoothing with a smoothing constant of 0.5 to forecast thenumber of the calls for the next week.Solution:No, of Calls (At) Forecast(Actual time]Week(Ft)202273.252218217268.196.16102811251226131714231527Find F16.Ft-1 + a(At-1- Ft-1)%3D|Forecast = previous forecast + a(Actual previous period - previous forecast)Put F1 =A1 = 20%3DF2 = F, + a(A, - F,)= 20 +0.5(20-20)= 20F3 = 23.5%3D

Ft = Ft-1 +α(At-1-Ft-1) F3 = F2 + 0.5(A2 - F2) = 20+0.5(27-20) = 23.5

Example! Emergency call to the fire department over the past 15 weeks are the following: 20, 27, 25, 22, 18, 21, 26, 19, 16, 28, 25, 26, 17, 23, 27 Use exponential smoothing with a smoothing constant of 0.5 to forecast the number of the calls for the next week. Solution: Week No, of Calls (At) Forecast (Actual time] (Ft) 20 27 3. 25 4 22 5. 18 6. 21 7 26 8. 19 6. 16 10 28 11 25 12 26 13 17 14 23 15 27 Find F16

Example! Emergency call to the fire department over the past 15 weeks are the following: 20, 27, 25, 22, 18, 21, 26, 19, 16, 28, 25, 26, 17, 23, 27 Use exponential smoothing with a smoothing constant of 0.5 to forecast the number of the calls for the next week. Solution: Week No, of Calls (At) Forecast (Actual time] (Ft) 20 27 3. 25 4 22 5. 18 6. 21 7 26 8. 19 6. 16 10 28 11 25 12 26 13 17 14 23 15 27 Find F16

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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