Weekly toy sales (in $1000s) in a department store for the past three months are shown below. $$\begin{array} { | c | c c | }
\hline \text { Month } & \text { Week } & \text { Sales } \
\hline 1 & 1 & 14 \
& 2 & 22 \
& 3 & 20 \
& 4 & 16 \
2& 1 & 18 \
& 2 & 20 \
& 3 & 24 \
& 4 & 20 \
3& 1 & 22 \
& 2 & 26 \
& 3 & 24 \
& 4 & 18 \
\hline
\end{array}$$ Compute the four-week centred moving averages.

Question

Weekly toy sales (in $1000s) in a department store for the past three months are shown below. $$\begin{array} { | c | c c | } 
\hline \text { Month } & \text { Week } & \text { Sales } \
\hline 1 & 1 & 14 \
& 2 & 22 \
& 3 & 20 \
 & 4 & 16 \
2& 1 & 18 \
& 2 & 20 \
& 3 & 24 \
& 4 & 20 \
3& 1 & 22 \
& 2 & 26 \
& 3 & 24 \
& 4 & 18 \
\hline
\end{array}$$ Compute the four-week centred moving averages.

Quizplus · Accepted Answer

The Answer of Weekly toy sales (in $1000s) in a department store for the past three months are shown below. $$\begin{array} { | c | c c | } 
\hline \text { Month } & \text { Week } & \text { Sales } \
\hline 1 & 1 & 14 \
& 2 & 22 \
& 3 & 20 \
 & 4 & 16 \
2& 1 & 18 \
& 2 & 20 \
& 3 & 24 \
& 4 & 20 \
3& 1 & 22 \
& 2 & 26 \
& 3 & 24 \
& 4 & 18 \
\hline
\end{array}$$ Compute the four-week centred moving averages.

Weekly Toy Sales (In $1000s) in a Department Store for the Past