ARIZ – Algorithm to solve an inventive problem. See also TRIZ.
Arrow Diagram – See Activity Network Diagram.
Baldrige – See Malcolm Baldrige National Quality Award.
Correlation coefficient – See Correlation.
Cp – See Pp.
Cpk – See Ppk.
CPM – See Activity Network Diagram.
Critical Path Method – See Activity Network Diagram.
CTQ – See Critical to Quality.
Customer Requirement – See Customer Needs and Requirements.
Dependant variable – See Correlation.
DF- See Degrees of Freedom.
DFSS – Design for Six Sigma.
DFX – Design for X.
DMADV – Define, Measure, Analyze, Design, Verify.
DMAIC – Define, Measure, Analyze, Improve, Control.
DPMO – Defects per million opportunities.
Fishbone Diagram – See Cause/effect diagrams.
Five S – See 5-S.
FMECA – Failure Modes, Affects, and Criticality Analysis. See also FMEA.
FPY – First Pass Yield
F-Test – See F-Distribution and F-Test.
Full Factorial – See Factorial.
Gemba – The place where all activities are actually taking place. The place where value is added.
House of Quality – See QFD (aka requirements matrix).
ImR Chart – See XmR chart.
Jidoka – One of the founding principles of the Toyota Production System. A concept to detect abnormal working conditions and immediately stop work to eliminate root cause of problem.
Kaizen – Kaizen is a Japanese word that simply means ‘improvement’ (improve for the better).
Least Squares Method (Least Squares Criterion)
Least Squares Property – See Least Squares Method.
Level loaded schedule – See Load leveling.
Load Leveling (also known as production leveling or production smoothing)
Method of Least Squares – See Least Squares Method.
Mistake proofing – See Poka-Yoke.
Muda – Muda is a Japanese word meaning ‘waste’. Muda is a key concept of the Toyota Production System.
Mura – Mura is a Japanese word for ‘inconsistency’; which is a type of waste.
Muri – Muri is a Japanese word that means to overly work hard; which is a type of waste.
Nominal is best – See Quality Characteristics.
Normal Distribution – See Normality.
OEE Overall Equipment Efficiency – See Total Productive Maintenance
OFAT – One factor at a time.
Paired T-Test – See T-Test.
PDSA (Plan, Do, Study, Act) – See also PDCA
PPM – Part Per Million (usually known as DPMO or Defects per Million Opportunities)
Precision – Repeatability
Process – A process is a combination of factors (the 6M’s) that lead to the production of some desired result.
Process Capability Study – See Capability Study.
Project Charter – See Charter.
Project Scope – See Scope.
QFD – See Quality Function Deployment.
Quality Assurance – See Quality Control.
Rational Subgrouping – See Random Sampling.
Recording Check Sheets – See Check Sheets.
Regression Analysis – See Scatter Diagram.
Replication – See Repeats and Replication.
Scope Creep – See Charter.
Score Card – See Balanced Scorecard.
Smaller is best – See Quality Characteristics.
SPC – See Statistical Process Control.
T Distribution – See T Test.
Taguchi Loss Function – See Loss Function.
Team Charter – See Charter.
Team Stages – See Form, Storm, Norm, Perform.
TPS – The Toyota Production System, developed by Toyota is a major influence in the formation of modern Lean thinking.
TQC – Total Quality Control
Trends – See Shifts and Trends.
Type I error – See Alpha Risk.
Type II error – See Beta Risk.