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Data Sampling Techniques & Uses

October 10, 2024

Data Sampling is the selection of statistical samples from the population to estimate the characteristics of the entire population. It is...

Mann-Whitney Hypothesis Test

October 10, 2024

Mann-Whitney Non Parametric U Test The preferred non-parametric method for unpaired samples is the Mann-Whitney non parametric hypothesis test or...

Process Performance Metrics

October 10, 2024

We can use many Process Performance Metrics to measure our processes’ current and future value. Before we look at the...

Dealing with Illogical Sponsors

October 10, 2024

The Six Sigma process is a logical, scientific process that often draws .. well, logical, scientific people. However, not all...

Activity Network Diagram

October 10, 2024

activity network diagram An Activity Network diagram is a 7M tool that graphically depicts your project timeline. It helps visualize...

Control Phase (DMAIC)

October 10, 2024

The Control phase is the fifth and last phase of a DMAIC process. The main activity in the Control phase is...

Sum of Squares (SS)

October 10, 2024

Sum of Squares (SS) is a statistical method to know the data dispersion and to determine mathematically best fit model...

Graphical Analysis

October 10, 2024

What is Graphical Analysis? Graphical analysis is one of the best ways to analyze problems in Six Sigma projects. It...

Can I Get Certified In Six Sigma?

October 10, 2024

This week’s question covers topics that comes up regularly to my in box. Learning and getting certified in Six Sigma...

Customer Retention & Satisfaction

October 10, 2024

Retaining customers can be a viable strategy as some estimates value existing customers 5xs more than new customers. The cost...