Given the following historical data, what is the moving-average forecast for period 6 based on the last three periods?
$$\begin{array} { | c | c | }
\hline \text { Periud } & \text { Value } \
\hline 1 & 19 \
\hline 2 & 20 \
\hline 3 & 18 \
\hline 4 & 19 \
\hline 5 & 17 \
\hline
\end{array}$$
A) 17
B) 18
C) 19
D) 20
E) 18.5

Question

Given the following historical data, what is the moving-average forecast for period 6 based on the last three periods?
$$\begin{array} { | c | c | } 
\hline \text { Periud } & \text { Value } \
\hline 1 & 19 \
\hline 2 & 20 \
\hline 3 & 18 \
\hline 4 & 19 \
\hline 5 & 17 \
\hline
\end{array}$$
A) 17
B) 18
C) 19
D) 20
E) 18.5

Quizplus · Accepted Answer

The moving-average forecast for period 6 based on the last three periods (periods 3, 4, and 5) is calculated by adding the values of these periods and dividing by 3. So, $ \frac{18 + 19 + 17}{3} = 18 $.

Given the Following Historical Data, What Is the Moving-Average Forecast