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Six Sigma Yellow Belt Certification Course

This well-established IASSC Standard is diversely recognized as a relevant and practical version of the knowledge expectations of Lean Six Sigma Yellow Belt. It consists of the primary sections of Define, Measure, Analyze, Improve, and Control, which are each broken down into sub-categories consisting of individual subject matter topics.

Target Audience

Attendees should be those seeking to improve their process improvement skills and/or companies that have embarked upon a Lean Six Sigma deployment and require training for a broad audience.


The Certified Six Sigma Yellow Belt has no experience or education requirements. The Certified Six Sigma Yellow Belt is aimed at candidates who have a small role, interest or need to develop foundational knowledge.

Lean Six Sigma Body of Knowledge for Yellow Belts

1.0 Define Phase

1.1 The Basics of Six Sigma
1.1.1 Meanings of Six Sigma
1.1.2 General History of Six Sigma & Continuous Improvement
1.1.3 Deliverables of a Lean Six Sigma Project
1.1.4 The Problem Solving Strategy Y = f(x)
1.1.5 Voice of the Customer, Business, and Employee
1.1.6 Six Sigma Roles & Responsibilities

1.2 The Fundamentals of Six Sigma
1.2.1 Defining a Process
1.2.2 Critical to Quality Characteristics (CTQ’s)
1.2.3 Cost of Poor Quality (COPQ)
1.2.4 Pareto Analysis (80:20 rule)
1.2.5 Basic Six Sigma Metrics
a. including DPU, DPMO, FTY, RTY Cycle Time

1.3 Selecting Lean Six Sigma Projects
1.3.1 Building a Business Case & Project Charter
1.3.2 Developing Project Metrics
1.3.3 Financial Evaluation & Benefits Capture

1.4 The Lean Enterprise
1.4.1 Understanding Lean
1.4.2 The History of Lean
1.4.3 Lean & Six Sigma
1.4.4 The Seven Elements of Waste
a. Overproduction, Correction, Inventory, Motion, Overprocessing, Conveyance, Waiting.
1.4.5 5S
a. Sort, Straighten, Shine, Standardize, Self-Discipline

2.0 Measure Phase

2.1 Process Definition
2.1.1 Cause & Effect / Fishbone Diagrams
2.1.2 Process Mapping, SIPOC, Value Stream Map
2.1.3 X-Y Diagram
2.1.4 Failure Modes & Effects Analysis (FMEA)

2.2 Six Sigma Statistics
2.2.1 Basic Statistics
2.2.2 Descriptive Statistics
2.2.3 Normal Distributions & Normality
2.2.4 Graphical Analysis

2.3 Measurement System Analysis
2.3.1 Precision & Accuracy
2.3.2 Bias, Linearity & Stability
2.3.3 Gage Repeatability & Reproducibility
2.3.4 Variable & Attribute MSA

2.4 Process Capability
2.4.1 Capability Analysis
2.4.2 Concept of Stability
2.4.3 Attribute & Discrete Capability
2.4.4 Monitoring Techniques

5.0 Control Phase

5.1 Lean Controls
5.1.1 Control Methods for 5S
5.1.2 Kanban
5.1.3 Poka-Yoke (Mistake Proofing)

5.3 Six Sigma Control Plans
5.3.1 Cost-Benefit Analysis
5.3.2 Elements of the Control Plan
5.3.3 Elements of the Response Plan

Certified Lean Six Sigma Yellow Belt by IASSC Body of Knowledge

To achieve the professional designation of IASSC Certified Yellow Belt (IASSC-CYB™) from the International Association for Six Sigma Certification, candidates must sit for the IASSC Certified Lean Six Sigma Yellow Belt Exam and achieve a minimum score of 70%.

There are no prerequisites required in order to sit for the IASSC Certified Lean Six Sigma Yellow Belt Exam. Yellow Belt Exam Voucher for $195 USD purchased and set through the IASSC website. An IASSC Certified Yellow Belt is issued a Certificate (PDF) which includes a Certification Number, a badge (.png file), added to the Official IASSC Certification Register.

Certification Testing

On-Demand Web-Based Certification Testing - Available to take any time from home or from the office.

How To Apply

a) Purchase an exam voucher
b) Register to the testing system and select a date and time for your exam.
c) Log in to the testing system 15 minutes prior to your exam.

The IASSC Certified Lean Six Sigma Yellow Belt Exam™ is a 60 question, closed book, proctored exam with a 2-hour allotted time. Some forms of this exam may also include up to an additional 6 non-graded questions*. The Exam contains multiple-choice and true/false questions from each section of the IASSC Lean Six Sigma Yellow Belt Body of Knowledge. There is no limitation or time restriction on examination retakes.