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, what is the value of the simple moving average mean square error?
A) 0.21
B) 20.12
C) 14.25
D) 207.13

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, what is the value of the simple moving average mean square error?
A) 0.21
B) 20.12
C) 14.25
D) 207.13

Quizplus · Accepted Answer

The simple moving average with k=2 is calculated for weeks 3 to 6. The errors are squared and averaged to find the mean square error, which is 207.13.

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