b$.$ Beginning with the errors calculated in period $9($the second Tuesday in the list$),$ calculate

MFE and MAD for exponential smoothing forecast model. $($Round your intermediate

calculations and final answers to $1$ decimal place.$)$

c$.$ Which one moving average model and which one exponential smoothing model performed

best with respect to MAD? $($You may select more than one answer. Click the box with a check

mark for the correct answer and click to empty the box for the wrong answer.$)$

$?$ Simple moving average with $n=1$

$?$ Simple moving average with $n=4$

Simple moving average with $n=8$

$?$ Exponential smoothing model with alpha $=0\mathrm{.}5$

$?$ Exponential smoothing model with alpha $=0\mathrm{.}1$

$?$ Exponential smoothing model with alpha $=0\mathrm{.}9$Problem $12-4($Algo$)$

Using the ice cream sales data given below, forecast demand using moving average with $n=1,$

$4,$ and $8$ and the exponential smoothing model with alpha $=0\mathrm{.}1,0\mathrm{.}5,$ and $0\mathrm{.}9$ and using $130\mathrm{.}7$ for

the beginning forecast on the first day.

a$.$ Beginning with the errors calculated in period $9($the second Tuesday in the list$),$ calculate

MFE and MAD for moving average forecast model. $($Round your intermediate calculations and

final answers to $1$ decimal place.$)$