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Hypothesis Testing Terminology

October 10, 2024

When performing a hypothesis test, you are likely to encounter terms with which you may not be familiar. Unfortunately, this could...

Scatter Diagrams (Plots), Analysis & Regression

October 10, 2024

A Scatter Diagram shows a relationship between two variables and provides a visual correlation coefficient. Why You Would Use Scatter...

Critical to X (CTX)

October 10, 2024

Critical to X (CTX) requirements are elements of a project that are important to the end customer. As an example,...

How Advanced Control Charts Can Save Our Schools – And How They Improved My Own Teaching

October 10, 2024

The third guest post in a series from Jeremy Garret. In my first article I explained how Lean Six Sigma...

Basic Hypothesis Testing Process

October 10, 2024

Often used in science, mathematics, and other fields of knowledge, the Basic Hypothesis Testing Process provides a framework for identifying...

T Distributions & T Tests

October 10, 2024

What are T Distributions and T Tests? Student’s t-distribution is used for finding confidence intervals for the population mean when the...

Interrelationship Digraph (Network Diagram)

October 10, 2024

interrelationship diagraph If you’re like me and you thought the spelling of Digraph was an error, it’s not. The difference...

Specification Limits

October 10, 2024

Specification limits are the targets set for a product or the process by customer or market performance; often, the Voice...

How Control Charts Made Me a Better Teacher

October 10, 2024

This is Jeremy Garrett’s second guest post for Six Sigma Study Guide on how he was able to apply Lean...

Risk Analysis and Mitigation

October 10, 2024

Risk analysis and mitigation is important in managing any project. Six Sigma is no different in this regard. You’ll need...