Glossary Terms Archive

Bivariate Analysis: Definition, Tools, and Six Sigma Analyze Phase Applications

Bivariate analysis is the statistical examination of two variables simultaneously to determine whether a relationship exists between them, what direction that relationship takes, and how strong it is. In Six Sigma, bivariate analysis is a core Analyze phase tool. When...

Binomial Experiment: Four Conditions, Examples, and Six Sigma Applications

A binomial experiment is a statistical experiment that consists of a fixed number of repeated trials where each trial produces exactly one of two possible outcomes and every trial is independent of all others. In Six Sigma, recognizing that a process produces binomial...

Attribute Chart

Attribute charts represent a specialized category of statistical process control tools designed specifically for qualitative data analysis. Unlike variable control charts that track measurable characteristics such as length, weight, or temperature, attribute control...

TRIZ Theory for Intuitive Problem Solving

TRIZ Theory for Intuitive Problem Solving TRIZ, the Russian acronym for “Theory of Inventive Problem Solving”, is an international system of creativity that was developed in the U.S.S.R. by Genrich S. Altshuller (engineer) and his collaborators. TRIZ...

Andon Board: Origin, How It Works, Types, and Lean Six Sigma Applications

An andon board is a visual display system that communicates the real-time status of a production line or process to everyone in the area. When a problem occurs, the board signals it immediately. Everyone can see the issue, its location, and its severity without delay....