Run Chart Tagged Improvement Insights

Why Start With Run Charts?

In the last century, we trained people on run charts to prepare them for control charts. Why are we still doing it? What does it cost us?

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“Hi, I’m Jay Arthur, author of “Lean Six Sigma For Hospitals” and QI Macros [software].

“In the last century, calculating the center lines and control limits and everything for control charts was difficult. And so to make it simple, we started off with simply doing a center line, an average or median to get people used to the idea of calculating something.

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Posted by Jay Arthur in Improvement Insights.

Run from Run Charts to Control Charts

Consultants spend a lot of time teaching people how to create run charts. This assumes you’re starting up a new measurement from scratch. Not true. There’s more than enough data laying around to use with control charts which tell you so much more about performance. Here’s why:

“Hi, I’m Jay Arthur, author of “Lean Six Sigma For Hospitals” and QI Macros [software].

“When I attend some of these meetings, people spend a lot of time trying to teach run charts. “Well, when you have fewer than 15 data points, use a run chart.” Well, I want to suggest to you if you don’t have 15 data points, go find some data that does, all right?

Continue Reading "Run from Run Charts to Control Charts"

Posted by Jay Arthur in Improvement Insights, Six Sigma.