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The data used describes natural gas consumption to heat a home on a daily basis over 30 consecutive days. This type of SPC chart is used during the Control phase of the DMAIC protocol.
The Six Sigma and Lean Six Sigma strategies are widely used by corporations throughout the world to improve business performance. Both strategies use the DMAIC approach (more…)
Pareto Charts are widely used in the Define and Analyze stages of the DMAIC project management protocol of a 6 Sigma or Lean Six Sigma project. (more…)
During the Six Sigma DMAIC phase Analyze, you may want to change the levels of a single factor (x) in an effort to see if the average of the response metric (y) changes using one-way ANOVA.
Many six sigma projects often fall short when it comes to how to get organized for experimentation. In this great video by a leading expert in statistical experimentation, you will learn how to organize your six sigma improve phase!
Six Sigma is about understanding and controlling the variation of key process variables known as inputs in an effort to improve the process outputs. Since the process inputs affect the process output, 6 Sigma practitioners refer (more…)
Correlation analysis is used during the DMAIC analyze phase. It measures the strength of a relationship between two variables. Since correlation does not imply causation any relationship should be validated through experimentation.
Process capability is a useful and important tool to understand the potential of a process to meet the customer’s specification. It is used during the Measure phase (more…)
The Lean Six Sigma approach to business process improvement uses the 6 Sigma DMAIC approach to project management. Lean seeks to reduce or eliminate waste while 6 Sigma tries to improve (more…)