The DOE data within MiniTab is already to be analyzed. In other words, I have already defined the factorial design. The matrix and values that define the DOE are also in Excel. The levels are as follows:

$(-)(+)$

Catalyst amount $($lbs$)($A$)1015$

Temperature C $($B$)220240$

Pressure $($psi$)($C$)5080$

Conc A$\%($D$)1012$

The data in the Excel file represents the $\%$ conversion of a chemical reaction. Analyze the main factors as well as the second or of interacting factors $$ i$.$e$.$ cat$*$temp$,$ cat$*$pressure$,$ etc. Perform and comment on the residual analysis $($for each factor$).$