Predict the Outcome of the Confirmation Run for a Four

Short Answer

Predict the outcome of the confirmation run for a four factor larger-the-better
experiment with an overall average of 18 for the data below: $$\begin{array} { | l | c | c | c | c | } \hline & \text { A } & \text { B } & \text { C } & \text { D } \\\hline \text { Level 1 } & 20 & 15 & 25 & 18 \\\hline \text { Level 2 } & 10 & 13 & 19 & 14 \\\hline\end{array}$$