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Doggy DOE, Part 3

Analyze this!

Patrick Runkel
Tue, 12/03/2013 - 10:13
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What factors significantly affect how quickly my couch-potato pooch obeys the “lay down” command? The cushiness of the floor surface? The tone of voice used? The type of reward she gets? How hungry she is?

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In part one we looked at the elements for a design of experiment (DOE) to answer these questions. In part two I created a 1/8 fraction Resolution IV design for seven factors and collected response data for 16 runs. Now it's time to analyze the data in Minitab, using Stat > DOE > Factorial > Analyze Factorial Design.

After removing insignificant terms from the model, one at a time, starting with the highest-order interaction, here’s the final model:

 …

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