The following sales data are available for 2003-2008:
$$\begin{array} { | c | c | c | }
\hline \text { Year } & \text { Sales } & \text { Forecast } \
\hline 2003 & 7 & 9 \
\hline 2004 & 12 & 10 \
\hline 2005 & 14 & 15 \
\hline 2006 & 20 & 22 \
\hline 2007 & 16 & 18 \
\hline 2008 & 25 & 21 \
\hline
\end{array}$$
Calculate the average error.

Question

The following sales data are available for 2003-2008:
 $$\begin{array} { | c | c | c | } 
\hline \text { Year } & \text { Sales } & \text { Forecast } \
\hline 2003 & 7 & 9 \
\hline 2004 & 12 & 10 \
\hline 2005 & 14 & 15 \
\hline 2006 & 20 & 22 \
\hline 2007 & 16 & 18 \
\hline 2008 & 25 & 21 \
\hline
\end{array}$$ 
Calculate the average error.

Quizplus · Accepted Answer

The Answer of The following sales data are available for 2003-2008:
 $$\begin{array} { | c | c | c | } 
\hline \text { Year } & \text { Sales } & \text { Forecast } \
\hline 2003 & 7 & 9 \
\hline 2004 & 12 & 10 \
\hline 2005 & 14 & 15 \
\hline 2006 & 20 & 22 \
\hline 2007 & 16 & 18 \
\hline 2008 & 25 & 21 \
\hline
\end{array}$$ 
Calculate the average error.

The Following Sales Data Are Available for 2003-2008 Calculate the Average Error