A
AND – Activity Network Diagram
Analysis of Variance (ANOVA) – One-way
Analysis of Variance (ANOVA) – Two-way
ARIZ – Algorithm to solve an inventive problem. See also TRIZ.
Arrow Diagram – See Activity Network Diagram.
B
C
Cell Intervals – Rules of Thumb
Cell Intervals – Impact on Shape
Common-Cause vs. Special-Cause
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 Needs and Requirements
Customer Requirement – See Customer Needs and Requirements.
D
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.
E
F
Fishbone Diagram – See Cause/effect diagrams.
Five S – See 5-S.
FMEA Failure Modes and Effects Analysis
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.
G
Gemba Walk – The place where all activities are actually taking place. The place where value is added.
H
I
J
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.
K
Kaizen – Kaizen is a Japanese word that simply means ‘improvement’ (improve for the better).
L
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)
M
Malcolm Baldrige National Quality Award
Measurement Scales – See the individual measurement scales for each of the four types of scales (nominal, ordinal, interval, and ratio) in this glossary.
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.
N
O
P
Paired T-Test – See T-Test.
PDSA (Plan, Do, Study, Act) – See also PDCA
PERT (Program Evaluation and Review Technique)
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.
Process Decision Program Chart
Project Charter – See Charter.
Project Scope – See Scope.
Q
R
Rational Subgrouping – See Random Sampling.
Recording Check Sheets – See Check Sheets.
Regression Analysis – See Scatter Diagram.
Replication – See Repeats and Replication.
S
Scope Creep – See Charter.
Score Card – See Balanced Scorecard.
Seven Basic Tools (also known as Ishikawa Tools)
Seven New Quality Management Tools
Single Minute Exchange of Dies (SMED)
Smaller is best – See Quality Characteristics.
SPC – See Statistical Process Control.
T
T Distribution – See T Test.
Taguchi Loss Function – See Loss Function.
Team Charter – See Charter.
Team Stages – See Form, Storm, Norm, Perform.
Total Productive Maintenance (TPM)
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.
TRIZ Theory for Intuitive Problem Solving
Type I error – See Alpha Risk.
Type II error – See Beta Risk.
U
V
W
X
Y
…