Use the information in problem $5$ to determine the value for $$ that produces the most accurate ES fore$-$

cast. Use three values for $$:$0\mathrm{.}6,0\mathrm{.}8,$ and $0\mathrm{.}4.$ Base your answer on the MAD. Use a forecasted NCF of

$$16,000($calculated using a $2-$Day MA$)$ for Day $3.$

Use this data set to compute the descriptive statistics for NCF$.$