Mathematics, 22.12.2020 03:50 savannahvargas512
The observed sales for January, February, March and April are 113, 122, 130 and 116, respectively. Assuming the sales forecast of 115 for January, what is the sales forecast for May with exponential smoothing method with alpha = 0.5?
a. 110.
b. 115.
c. 120.
d. 125.
Answers: 1
![f = \alpha * a + [1- \alpha * ( e)]](/tpl/images/1005/0290/8ea7a.png)
![f = 0.5 * 113 + [(1- 0.5) * (115)]](/tpl/images/1005/0290/61673.png)
![g = \alpha * b + [(1- \alpha) * ( f)]](/tpl/images/1005/0290/9f1b2.png)
![g = 0.5 * 122 + [(1- 0.5) * ( 118.5)]](/tpl/images/1005/0290/720fc.png)
![h= \alpha * c + [(1- \alpha) * ( g )]](/tpl/images/1005/0290/736b0.png)
![h= 0.5 * 130 + [(1- 0.5) * ( 120.25 )]](/tpl/images/1005/0290/2dd5f.png)
![i= \alpha * d + [(1- \alpha) * ( h )]](/tpl/images/1005/0290/c9389.png)
![i= 0.5 * 116 + [(1- 0.5) * ( 125.125 )]](/tpl/images/1005/0290/8439a.png)
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The observed sales for January, February, March and April are 113, 122, 130 and 116, respectively. A...
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