Catapulting into the World of Understanding What an LSS Green Belt Sees - A Graphical Journey of Exploration and Problem Solving With a Cliffhanger
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Catapulting into the World of Understanding What an LSS Green Belt Sees - A Graphical Journey of Exploration and Problem Solving With a Cliffhanger

Manny Veloso Manny Veloso

Manny Veloso

With Our Learn-and-Do Approach, We Build Practitioners Who Think and Act Like Owners

发布日期: 2023年2月24日
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Links Section

CICS is holding Live LSS Green Belt Training?in the Greater Philadelphia, PA starting April 20, 2023. Learn how we build practitioners with our hands-on learning approach. Reach out for more information today!

Stop by our booth and say hello at the?ASQ Lean Six Sigma Conference?on Feb 26-28 in Phoenix

CICS YouTube Channel featuring the videos Manny uses in training Subscribe today to stay informed!

Start Here

One of the things I really enjoy about Lean Six Sigma is the chance to make participants in my Green Belt classes visibly smarter and better looking as a result of attending training.

Actually being visibly smarter is just a side-benefit of the learning. The real juice from LSS Green Belt training comes from being able to follow process clues where they lead to solve problems in the workplace.

These clues to improvement come from using the Lean tools focused on processes and elimination of waste combined with the Six Sigma tools focused on data and reducing variation.

Using Lean Six Sigma** 1+1=3 or more. Some people think I'm lowballing here. Others disagree. Loudly, at times.

Unknown Origins

My Green Belt class collected data for an exercise using a catapult and we let the data shape the investigation into an issue of unknown origin.

Like a 'fever of unknown origin' it means we don't have a clue about where the problem came from or how to fix it

All we knew is that there were two factors we varied in the experiment, Operator and Ball Type. The intent of the experiment was to determine the effects of factors. Ball Type had 2 choices, Wiffle Ball and Golf Ball. Operators were the class participants and we looked at a subset of the data for simplicity. I wrote the scenario below to keep it interesting for y'all. Comment below and let me know on how you liked the walk-through of the problem and the countermeasures.

Before you tune out and click over to read today's Dilbert comic, remember that the principles employed here work in your business as well, helping to understand your problems and improve your processes.

We experiment in the classroom so learners integrate the concepts and apply them on the job. That's how we build practitioners.

Just imagine I'm presenting this analysis to you in a conference room right after somebody gets the lights and passes the popcorn:

Slide 1 Title Slide of Catapult Data Analysis Presentation
Slide 1



Slide 2 Process Explanation. In a Green Belt class a catapult experiment had 3 operators shoot 2 different pong balls 5 times each and recorded the data. The data represents a month's production in a simulation.
Slide 2


Watch the catapult in operation. Don't blink or you'll miss it.


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Slide 3 Analysis of the distance for the 30 shots from the catapult represents one month's production. Some very high and very low points are present in a graph of the previous month's data.
Slide 3



Slide 4 - A histogram of the overall data reveals that this process is not normal. This means there is special cause variation at work we need to uncover.
Slide 4



Slide 5 - A boxplot of distance by ball type shows some difference in ball performance, however not enough to cause the worrying trend seen. Explanation of how to read boxplot.
Slide 5



Slide 6 - Boxplot of distance shows that one operator performed differently than the other two operators. Looking at a boxplot of both distance and ball type reveals meaningful differences in performance.
Slide 6



Slide 7 A time series plot broken out by ball type and operator showed that different balls and different people displayed variation at different times.
Slide 7


Slide 8 The Cliffhanger When talking to the operators, the first operator said that the change to the ball wasn't noted in the shift turnover log. The other operator had to troubleshoot and replace a heater that was malfunctioning. Sidebar What would you do next if this were your process?



Slide 9 CI Consulting Services, LLC offers training, guidance, and implementation to companies with their learn and do approach.
Slide 9

** Lean and Six Sigma combine to have a greater effect than either one by itself, known as an "interaction". Sort of like what happens when feeling ill and you wash down a cold pill with a bottle of Mad Elf or a glass of wine. Clear your calendar for the afternoon and make sure the couch is close at hand.


Links Section

Do you want to be visibly smarter and better looking? Get started today!

CICS is holding Live LSS Green Belt Training?in the Greater Philadelphia, PA starting April 20, 2023. Learn how we build practitioners with our hands-on learning approach. Reach out for more information today!

Stop by our booth and say hello at the?ASQ Lean Six Sigma Conference?on Feb 26-28 in Phoenix

CICS YouTube Channel featuring the videos Manny uses in training Subscribe today to stay informed!

Lean Where You Least Expect It Lean Where You Least Expect It

Lean Where You Least Expect It

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Rosa Melton

Relentlessly Positive Leader

2 年

Thanks for posting Manny Veloso! An excellent clear example of how LSS Green Belts apply the skills learned. Love the slide format!

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