Teaching Exercises for Hypothesis Testing and DOE

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    Does anyone have some different exercises they run in BB training

    I am trying to find some alternatives to helicopters and statapult

    I am also trying to find some good exercises to explain Multi Vari, Paired Comparison and Component Search

    Any help would be very gratefully received



    Chuck White

    For my last week of Black Belt training, I assign teams a project to get a balsa wood airplane to fly a specific distance (with a tolerance of course), but also to stop within a set distance! (in other words they have a short runway to land on.) Each team gets two different sized balsa wood airplane kits, and they are permitted to mix and match parts. So things like wing size, tail size, and propeller size can be factors (along with rubber band turns) in their hypothesis tests and DOEs. It is a challenging project, so I introduce it at the beginning of the week and give them time to work on it throughout the week.

    I have never tried it, but pre-building some BOB and WOW planes this way might be good for a component search exercise.


    Mike Carnell

    @gKerridge Component search will be interesting because you need to of the same thing – one good and one bad to begin with. You also need to be able to disassemble and reassemble. I have never taught component search as part of the Six Sigma curriculum but I love the technique.

    Multi-vari has complexities as well. We don’t do an exercise but I use data from a real life example.

    Paired data you can do with just 2 people throwing dice. If you use something with interactions you will get some pretty screwed up results that you probably won’t get to repeat.


    Robert Butler

    For a paired frequency test you could have the students run a series of say 50 flips of a clean penny and then run a series of 50 spins of a clean penny to see if there is a significant difference in the odds of the penny coming up heads (or tails).

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