a$.$ Forecast the demand for the week of October $12$ using a $4-$week moving average

b$.$ What is the MAD:

c$.$ Use a $4-$week weighted moving average, with weights of $\mathrm{.}1,\mathrm{.}1,\mathrm{.}2,$ and $\mathrm{.}6$ using $\mathrm{.}6$ for the most recent week. Forecast demand for the week of October $12$

d$.$ What is the MAD?

e$.$ Compute the forecast for the week of October $12$ using exponential smoothing with a forecast for August $31$ of $363$ and $=\mathrm{.}47$

f$.$ What is the MAD?

g$.$ Based on evaluating all three forecasting models, which forecast should be chosen?