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Consider the Following Data -Consider the Data Given Above and Calculate S3 Using Simple

Question 77

Essay

Consider the following data:
 Time  Demand 117221319423518616720818922102011151222\begin{array} { c c } \text { Time } & \text { Demand } \\1 & 17 \\2 & 21 \\3 & 19 \\4 & 23 \\5 & 18 \\6 & 16 \\7 & 20 \\8 & 18 \\9 & 22 \\10 & 20 \\11 & 15 \\12 & 22\end{array}
-Consider the data given above and calculate S3 using simple exponential smoothing if S1 = 18.6 and a = 0.2.

Correct Answer:

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19.064
S2 = (.2)(21)+...

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