27.3 A Recap with a Fractional Factorial Design
The Minitab worksheet window including the response variable looks as follows:
Choose Stat > DOE > Factorial > Analyze Factorial Design, using the column C10 as response and choosing the Graphs option to display the effects in a normal probability plot, to obtain:
The resulting significant effects are A+BD+CE, B+AD and D+AB.
The confounding pattern was previously obtained when the design matrix was created by choosing Stat > ...
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