• SPC Facebook icon
  • SPC Twitter icon
  • SPC LinkedIn icon
  • SPC RSS Feed icon

Leona's Blog

Leona Charles Leona's blog covers six sigma topics from business process reengineering, data and analysis, and achieving operational excellence. The blog is a manifestation of the last 10 years of gaining knowledge and experience in the Six Sigma approach to improving business.

Oh, How They Vary!

published on April 7, 2014

Last week we talked about normal distribution in your data. This week let’s kick the conversation off with non-normal distribution. There are a few different types of non-normal distribution, let’s take a look. Skewed distribution Skewed data is quite simply, …

Posted in Six Sigma | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

6Sigma Stats-Distribution Classes

published on March 31, 2014

As we continue our journey in Six Sigma it seems pertinent to discuss the different types of distributions you will see in your analysis. Let’s start with one at a time. The most common distribution is the Normal Distribution and …

Posted in Six Sigma Tools | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Variation: The Sources

published on March 24, 2014

In metrics the most honest finding will be that your metrics will have degrees of variation. Understanding where and how those metrics occur, is the key to using your data in a forward thinking strategy. Let’s start with something simple, …

Posted in Continuous Improvement | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Measuring Your Capability: Cpk, Ppk, Cp and Pp

published on February 17, 2014

  As we keep walking down this wonderful world of 6Sigma it’s important that we talk about how capability is measured. We’ve been talking about process capability for a few weeks now, so let’s talk about the capability measurement methods. This …

Posted in Six Sigma Tools | Tagged , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Understanding Performance: Baseline Performance

published on January 27, 2014

In our conversations about process capability, I want to focus your attention on baseline performance. Baseline Performance is an alternative way to view long-term and short-term data. When you hear baseline performance it most likely will be a description of …

Posted in lean management tools | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

← Older posts |