Use the data given below to answer the following question(s).
The details of the clock sales at a supermarket for the past 6 weeks are shown in the table below. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects. The simple moving average value of k is set at 2. $$\begin{array} { | c | c | }
\hline \text { Week } & \text { Units sold } \
\hline 1 & 88 \
\hline 2 & 44 \
\hline 3 & 54 \
\hline 4 & 65 \
\hline 5 & 72 \
\hline 6 & 85 \
\hline
\end{array}$$
-For the given data, calculate the value of the simple moving average mean absolute percentage error.
A) 20.90
B) 23.45
C) 14.39
D) 25.56

Question

Use the data given below to answer the following question(s).
The details of the clock sales at a supermarket for the past 6 weeks are shown in the table below. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects. The simple moving average value of k is set at 2. $$\begin{array} { | c | c | } 
\hline \text { Week } & \text { Units sold } \
\hline 1 & 88 \
\hline 2 & 44 \
\hline 3 & 54 \
\hline 4 & 65 \
\hline 5 & 72 \
\hline 6 & 85 \
\hline
\end{array}$$
-For the given data, calculate the value of the simple moving average mean absolute percentage error.
A) 20.90
B) 23.45
C) 14.39
D) 25.56

Quizplus · Accepted Answer

The simple moving average forecast for each week is calculated using the average of the previous two weeks' sales. The mean absolute percentage error (MAPE) is then calculated by taking the average of the absolute percentage errors for each week. The calculations yield a MAPE of 20.90.

Use the Data Given Below to Answer the Following Question(s)