A company is about to select a vendor for the outsourcing of all of its engineering, environmental, and CAD requirements. It has identified four criteria critical to the selection. These criteria, and their importance weights, appear below. The score for each site is listed below. Which vendor has the highest composite score?
$0.1871\begin{array} { | l | r | r | r | r | } \hline & \text { Weight } & \text { Vendor 1 } & \text { Vendor 2 } & \text { Vendor 3 } \\\hline \text { Factor 1 } & 0.3 & 7 & 5 & 8 \\\hline \text { Factor 2 } & 0.4 & 4 & 2 & 8 \\\hline \text { Factor 3 } & 0.2 & 5 & 8 & 5 \\\hline \text { Factor 4 } & 0.1 & 8 & 7 & 1 \\\hline\end{array}$

Question

A company is about to select a vendor for the outsourcing of all of its engineering, environmental, and CAD requirements. It has identified four criteria critical to the selection. These criteria, and their importance weights, appear below. The score for each site is listed below. Which vendor has the highest composite score?

0.1871\begin{array} { | l | r | r | r | r | } \hline & \text { Weight } & \text { Vendor 1 } & \text { Vendor 2 } & \text { Vendor 3 } \\\hline \text { Factor 1 } & 0.3 & 7 & 5 & 8 \\\hline \text { Factor 2 } & 0.4 & 4 & 2 & 8 \\\hline \text { Factor 3 } & 0.2 & 5 & 8 & 5 \\\hline \text { Factor 4 } & 0.1 & 8 & 7 & 1 \\\hline\end{array}

Angela Joslyn · Accepted Answer

Final Answer :   Weight   Vendor 1   Vendor 2   Vendor 3   Factor 1  0.3 7 5 8  Factor 2  0.4 4 2 8  Factor 3  0.2 5 8 5  Factor 4  0.1 8 7 1  Results   Total  1  Vendor 1   Vendor 2   Vendor 3   Weighted sum  5.5 4.6 6.7  Weighted average  5.5 4.6 6.7 \begin{array} { | l | r | r | r | r | } \hline  &  	ext { Weight }  &  	ext { Vendor 1 }  &  	ext { Vendor 2 }  &  	ext { Vendor 3 } \\hline 	ext { Factor 1 }  &  0.3  &  7  &  5  &  8 \\hline 	ext { Factor 2 }  &  0.4  &  4  &  2  &  8 \\hline 	ext { Factor 3 }  &  0.2  &  5  &  8  &  5 \\hline 	ext { Factor 4 }  &  0.1  &  8  &  7  &  1 \\hline  &   &   &   &  \\hline 	ext { Results }  &   &   &   &  \\hline 	ext { Total }  &  1  &  	ext { Vendor 1 }  &  	ext { Vendor 2 }  &  	ext { Vendor 3 } \\hline 	ext { Weighted sum }  &   &  5.5  &  4.6  &  6.7 \\hline 	ext { Weighted average }  &   &  5.5  &  4.6  &  6.7 \\hline\end{array}  Factor 1   Factor 2   Factor 3   Factor 4   Results   Total   Weighted sum   Weighted average  ​  Weight  0.3 0.4 0.2 0.1 1 ​  Vendor 1  7 4 5 8  Vendor 1  5.5 5.5 ​  Vendor 2  5 2 8 7  Vendor 2  4.6 4.6 ​  Vendor 3  8 8 5 1  Vendor 3  6.7 6.7 ​ ​   Vendor 3 should be selected.

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