Step-by-step explanation:

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(-2.8)+0+(-2.6)+6.4
-2.8-2.6+6.4
-5.4+6.4
1
Answer:
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Step-by-step explanation:
Answer: 60.5
Step-by-step explanation:
The forecast for the next period using the simple exponential smoothing method is given by:
, where D= actual demand for the recent period,
smoothing factor, F= forecast for the recent period .
Given: D= 64,
, F= 59
The forecast for the next period = 

Hence, the forecast for the next period = 60.5