$1\mathrm{.}2\mathrm{.}2$ Example

Calculate the forecast using MA$(3),)=0\mathrm{.}2,w_2=0\mathrm{.}3,w_3=(0\mathrm{.}5,$ and $)=(0\mathrm{.}2$

For ES$,$ the week $1$ forecast is set equal to the actual sales in week $1.$