A
B
C
D

 

Data Collection Plan

Defect Location Check Sheet

Degrees of Freedom

Dependant variable – See Correlation.

Descriptive Statistics

Design for Six Sigma

Design of Experiments

DF- See Degrees of Freedom.

DFSS – Design for Six Sigma.

DFX – Design for X.

Discrete Data

DMADV – Define, Measure, Analyze, Design, Verify. See Design for Six Sigma.

DMAIC

DPMO – Defects per million opportunities.

E

 

Effort/Impact Matrix

Error Proofing – See Poka Yoke.

F

 

F-Distribution and F-Test

Factorial Experiment

Fishbone Diagram – See Cause/effect diagrams.

Five S – See 5-S.

Flowchart

FMEA Failure Modes and Effects Analysis

FMECA – Failure Modes, Affects, and Criticality Analysis. See also FMEA.

Force Field Analysis

Form, Storm, Norm, Perform

FPY – First Pass Yield

F-Test – See F-Distribution and F-Test.

Full Factorial – See Factorial.

G

 

Gemba – The place where all activities are actually taking place. The place where value is added.

Goldratt’s Theory of Constraints

H

 

House of Quality – See QFD (aka requirements matrix).

Hypothesis (alternate/alternative)

Hypothesis Testing

I
J

 

K

 

Kaizen – Kaizen is a Japanese word is simply means ‘improvement’ (improve for the better).

Kaizen Event

Kanban

Kano Model

L

 

Least Squares Method (Least Squares Criterion)

Least Squares Property – See Least Squares Method.

Level loaded schedule – See Load leveling.

Levene’s Test

Load Leveling (also known as production leveling or production smoothing)

Loss Function

M

 

Malcolm Baldrige National Quality Award

Matrix Diagram

Measles Charts

Measurement Error

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

 

OEE Overall Equipment Efficiency

OFAT – One factor at a time.

Ordinal

P

 

P Chart

Paired T-Test – See T-Test.

Pareto Chart

PDCA (Plan-Do-Check-Act)

PDSA (Plan, Do, Study, Act) – See also PDCA

PERT (Program Evaluation and Review Technique)

Poisson Distribution

Poka-yoke

Population

Pp

Ppk

PPM – Part Per Million (usually known as DPMO or Defects per Million Opportunities)

Precision – Repeatability

Pre-control Charting

Prioritization Matrix

Probability

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

Process Mapping

Process Owner

Project Charter – See Charter.

Project Management

Project Scope – See Scope.

Pull System

Q
R

 

Radar Chart

Random Sampling

Ratio Scale

Rational Subgrouping – See Random Sampling.

Recording Check Sheets – See Check Sheets.

Regression Analysis – See Scatter Diagram.

Repeats and Replication

Replication – See Repeats and Replication.

S
T

 

T Distribution – See T Test.

T Test

Taguchi Loss Function – See Loss Function.

Takt Time

Team Charter – See Charter.

Team Stages – See Form, Storm, Norm, Perform.

Test Statistic

Theory of Constraints (TOC)

Total Productive Maintenance (TPM)

Total Quality Management

TPS – The Toyota Production System, developed obviously by Toyota is a major influence in the formation of modern lean thinking.

TQC – Total Quality Control

Tree Diagram

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

 

Z
5
7

 

7 Quality Tools – See Seven Quality Tools.

7 New Management Tools – See Seven New Management Tools.