Nala, our 6-year-old golden retriever, loves her dogma. That’s her sitting in front of church on Sunday morning. But she’s not crazy about her catechism. For example, she doesn’t always dutifully follow the “lay down” commandment.

What factors may be influencing her response? We’re performing a DOE screening experiment, which we began in part one, to find out. In this column, we’ll use Minitab Statistical Software to:
• Create the design for the experiment
• Determine the confounding pattern for this design
• Set up the data collection worksheet

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