Question

would like some explanation of Exponentially smooth for this question

sales data is  

2012 (y) 5000

2013 5500

2014 6000

2015 6500

2016 7000

with a smoothing constant of 0.8 so how do i complete the table

2012 5000 Sx-1 ??? (1-a)x-1 ???? Ya ??? Sx ????? the same for all years using the sales data above

Answer 1

(If you have doubts comment please i will rectify)

Exponential smoothing forecast

Fn ​= Fn−1​+α(An−1​−Fn−1​)