Using a Three-Month Moving Average (With Weights of 6, 3

Multiple Choice

Using a three-month moving average (with weights of 6, 3, and 1 for the most current value, next most current value and oldest value, respectively) , the forecast value for October made at the end of September in the following time series would be__________. $$\begin{array} { | r | r | } \hline \text { July } & 5 \\\hline \text { Amg } & 11 \\\hline \text { Sent } & 13 \\\hline \text { Oct } & 6 \\\hline\end{array}$$

A) 11.60
B) 10.00
C) 9.67
D) 8.60
E) 6.11