Don’t like the data? Throw it out!

One of the first tasks our Black Belt students are asked to do when completing a project is collect data over time and create control charts for the primary output metric.  The purpose of these control charts is to establish baseline performance, and to determine if the process is stable. One of my students is […] read more

How Accurate and Reliable is Your Data?

Six Sigma is a process improvement methodology that uses facts and data to make decisions, not hunches and opinions.  It is obviously important that we use facts and data that are accurate and reliable.  The more important the decision and the more serious the consequences, the more care we need to take when collecting data. […] read more

Which Index is Representative of How the Stock Market is Really Performing?

In an earlier article in this series I discussed the use of sample data drawn from a larger population for the purposes of making decisions.  The data in the sample must be representative of the larger population in order for it to be useful in decision making.  Consider the stock market in general.   What is […] read more

SWOT Analysis

One of the tools that may be used to define the current state of a process is SWOT analysis.  Our Black Belt students are required to perform a SWOT analysis as part of their Black Belt project. SWOT is an acronym that stands for Strengths, Weaknesses, Opportunities and Threats.  Strengths and weaknesses are internal to […] read more

On February 16th, 2018, posted in: Articles, Six Sigma by Tags: ,