Table 118
a Manager Wants to Forecast the Monthly Demand
for

Table 11.8
A manager wants to forecast the monthly demand
for a machine the company produces.
$\begin{array} { | c | c | } \hline \text { Month } & \begin{array} { c } \text { No. Machines } \\\text { Sold }\end{array} \\\hline 1 & 50 \\2 & 65 \\3 & 52 \\4 & 56 \\5 & 55 \\6 & 60 \\\hline\end{array}$

-Use the information in Table 11.8. Calculate the MAD for months 4 through 6 for the weighted moving average forecasts. The weights are 0.50, 0.30, and 0.20, where 0.50 refers to the most recent demand.

A) less than or equal to 2
B) greater than 2 but less than or equal to 3
C) greater than 3 but less than or equal to 4
D) greater than 4