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?
I created a 1/8 fraction Resolution IV design for 7 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:
Of the original 7 factors in the screening experiment,...