Six Sigma Green Belt – Core Vocabulary

Vocabulary flashcards summarizing essential Six Sigma Green Belt terms and their definitions.

DMAIC

A structured Six Sigma methodology consisting of Define, Measure, Analyze, Improve, and Control phases.

SIPOC Diagram

A high-level process map that lists Suppliers, Inputs, Process, Outputs, and Customers.

CTQ (Critical to Quality)

Key measurable characteristics that must be met for a product or process to satisfy customer requirements.

Pareto Chart

A bar-and-line graph that applies the 80/20 rule to rank causes or categories by frequency or impact.

Control Chart

A time-ordered plot used to monitor process stability and detect special-cause variation.

FMEA (Failure Modes and Effects Analysis)

A systematic tool for identifying, prioritizing, and mitigating potential failure modes and their effects.

p-value

A probability measure in hypothesis testing used to assess statistical significance, often compared to a 0.05 threshold.

TIMWOOD

A Lean acronym for the seven wastes: Transportation, Inventory, Motion, Waiting, Overproduction, Overprocessing, and Defects.

Cp

A process capability index that compares the spread of a process to its specification limits.

Fishbone (Ishikawa) Diagram

A cause-and-effect tool used to visually organize and identify potential root causes of a problem.

Discrete Data

Countable values that can only take specific, separate numbers (e.g., defects, units).

Continuous Data

Measurable values that can take any value within a range, often including decimals (e.g., time, weight).

Control Plan

A document detailing how a process will be monitored, controlled, and maintained to ensure quality output.