Question $2$: Find the $$UnitedDairies$$ files. Develop a three$-$week moving average.

$1.$ What is the forecast for week $5?($Make sure no decimal place.$)$

$2.$ What is the value of MSE $($mean squared error$)$ with regard to a three$-$week

moving average? $($Make sure no decimal place.$)$

$3.$ Develop the exponential smoothing with the alpha value of $0\mathrm{.}20.$ What is the

forecast for week $5?($Make sure no decimal place.$)$

$4.$ What is the value of MSE $($mean squared error$)$ with regard to the exponential

smoothing? $($Make sure no decimal place.$)$

$5.$ Which method is more accurate? Why?