Articles on Six Sigma - Analyze Phase
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Six Sigma – Introduction to Analyze Phase
The Six Sigma philosophy believes in statistical facts. There is no room for error and therefore there is no room...
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Types of Analysis in Analyze Phase
The analyze phase is one of the most dreaded phases in the Six Sigma methodology. There are common assumptions made...
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What is Hypothesis Testing ?
What is Hypothesis Testing ? Hypothesis testing is one of the statistical method used to confirm the effect that critical...
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Understanding the Confidence Interval
The confidence interval is a central concept of hypothesis testing. Although understanding its mathematical and statistical meaning is beyond the...
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Selecting the Correct Hypothesis Test
Hypothesis testing is a very detailed subject. Understanding how to correctly conduct these tests is beyond the scope of this...
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P-Value in Hypothesis Test – Interpreting the Statistical Conclusion
What is the P-Value ? The P-Value is a statistical representation of the likelihood that the null hypothesis is true....
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What is Correlation Analysis and How is it Performed ?
Correlation analysis is a vital tool in the hands of any Six Sigma team. As the Six Sigma team enters...
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Types of Relationships between the Input and Output
The scatter plot can be a useful tool in understanding the type of relationship that exist between the inputs (X’s)...
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Recording the Inputs (Xs) at Actionable Level
The 5 why method or the Root Cause analysis method that has been described in the Tools section plays an...
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Developing the Predictive Equation
Once the Scatter plot has been used to find out the correlation between the inputs being measured as well as...
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