A Consumer Group Is Using AHP to Compare Four Used

Essay

A consumer group is using AHP to compare four used car models. Part of the pair-wise comparison matrix for "repair frequency" is shown below.
a.Complete the matrix.
b.Does it seem to be consistent?
$$\begin{array} { c | c c c c } \text { Repair Frequency } & \text { Model A } & \text { Model B } & \text { Model C } & \text { Model D } \\\hline \text { Model A } &1&5&&1/6\\\text { Model B } &1/5&1&&1/2 \\\text { Model C } & 1/4&1/3&1&\\\text { Model D } &&&1/4&1\end{array}$$