Project & Programme Management Category Banner Image

Lean Six Sigma - Yellow Belt

  • Length 3 days
  • Inclusions Exam voucher
Course overview
View dates &
book now

Why study this course

The IASSC Certified Lean Six Sigma Yellow Belt™ (ICYB™) is for professionals who are wanting to have a thorough understanding of the elementary aspects of the Lean Six Sigma Method including competency in the phases of Define, Measure, and Control (DMC) as provided by the IASSC Lean Six Sigma Body of Knowledge™.

The Lean Six Sigma (LSS) certifications are designed to support organisations in their mission to improve customer satisfaction, boost performance levels, and shorten the time-to-market. Professionals and consultants will benefit from LSS's potential for cross-industry application and increased salary.

Holding a Lean Six Sigma Yellow Belt shows an understanding of how to implement, perform, interpret, and apply Lean Six Sigma at a fundamental level.


This course pricing includes a voucher for the IASSC Certified Lean Six Sigma Yellow Belt Exam, which is an online proctored exam through PeopleCert.

The exam is:

  • Two hours (120 minutes) duration

  • 60 questions (multiple choice and true or false)

  • Pass mark is 42 out of 60 (i.e. 70%)

  • Closed book

After passing the exam, each student’s certificate will be made available to them via PeopleCert.

It is highly recommended that you spend some time each evening of this course reviewing and consolidating what you’ve learned, to be well prepared for the exam.

Request Course Information

What you’ll learn

After completing this course, you will have learned how to:

  • Structure a DMAIC process improvement project

  • Define a problem, investigate its impact on the customer, and identify the process within which it exists

  • Identify the elements of Cost of Poor quality and waste in a process and measure project financial and operational benefits

  • Structure and assess a measurement system and identify the appropriate metrics to support quantitative process improvement efforts

  • Understand root cause analysis and value analysis methods

  • Describe a process using different process mapping strategies

  • Communicate with key stakeholders and drive change in the organisation

  • Use descriptive statistics (numerical and graphical) to summarise process data

  • Use many of the common process improvement tools such as 5S, KANBAN, and Poka-Yoke

  • Sustain the gains with a Control and Response plan

PeopleCert Lean Six Sigma logo

Lean at Lumify Work

Lumify Work is an Accredited Training Organization with Gold status for PeopleCert courses and certifications including Lean Six Sigma. Lean focuses on efficiency through the minimisation of waste, errors, and delays, while Six Sigma focuses on quality and consistency, through processes improvement and variation reduction. The combination guarantees cost and time efficient products and services of the highest quality.

Who is the course for?

The Lean Six Sigma Yellow Belt certification is ideal for professionals with limited or no exposure to Lean Six Sigma and who would like to build an understanding of the Lean Six Sigma methodology at a fundamental level and to then apply what they have learnt to a project, generally under the guidance of a higher-level practitioner.

Course subjects

Module 1: Define Phase

  • The Basics of Six Sigma

    • Meanings of Six Sigma

    • General History of Six Sigma and Continuous Improvement

    • Deliverables of a Lean Six Sigma Project

    • The Problem Solving Strategy Y = f(x)

    • Voice of the Customer, Business, and Employee

    • Six Sigma Roles and Responsibilities

  • The Fundamentals of Six Sigma

    • Defining a Process

    • Critical to Quality Characteristics (CTQs)

    • Cost of Poor Quality (COPQ)

    • Pareto Analysis (80:20 rule)

    • Basic Six Sigma Metrics (DPU, DPMO, FTY, RTY Cycle Time)

  • Selecting Lean Six Sigma Projects

    • Building a Business Case and Project Charter

    • Developing Project Metrics

    • Financial Evaluation and Benefits Capture

  • The Lean Enterprise

    • Understanding Lean

    • The History of Lean

    • Lean and Six Sigma

    • The Seven Elements of Waste: Overproduction, Correction, Inventory, Motion, Overprocessing, Conveyance, Waiting

  • 5S: Sort, Straighten, Shine, Standardise, Self-Discipline

Module 2: Measure Phase

  • Process Definition

    • Cause and Effect / Fishbone Diagrams

    • Process Mapping, SIPOC, Value Stream Map

    • X-Y Diagram

    • Failure Modes and Effects Analysis (FMEA)

  • Six Sigma Statistics

    • Basic Statistics

    • Descriptive Statistics

    • Normal Distributions and Normality

    • Graphical Analysis

  • Measurement System Analysis

    • Precision and Accuracy

    • Bias, Linearity, and Stability

    • Gage Repeatability and Reproducibility

    • Variable and Attribute MSA

  • Process Capability

    • Capability Analysis

    • Concept of Stability

    • Attribute and Discrete Capability

    • Monitoring Techniques

Module 3: Control Phase

  • Lean Controls

    • Control Methods for 5S

    • Kanban

    • Poka-Yoke (Mistake Proofing)

  • Six Sigma Control Plans

    • Cost Benefit Analysis

    • Elements of the Control Plan

    • Elements of the Response Plan



PeopleCert Exams

All PeopleCert exams are now conducted via online proctoring, with an improved web-based platform released in February 2024. Candidates can schedule their exam for any time within the voucher validity period of 12 months, to be taken anywhere, on any Windows or Mac computer. Live proctors will guide and invigilate the exam process. For full details please see PeopleCert's Guidelines for Web-Based Exam Driver.

Lumify Work cannot sell PeopleCert courses (AgileSHIFT®, ITIL®, Lean Six Sigma, MoP™, M_o_R™, MSP®, P3O®, PRINCE2®, and PRINCE2 Agile®) without the corresponding official exam as per requirement from PeopleCert.

Terms & Conditions

The supply of this course by Lumify Work is governed by the booking terms and conditions. Please read the terms and conditions carefully before enrolling in this course, as enrolment in the course is conditional on acceptance of these terms and conditions.

Request Course Information

Personalise your schedule with Lumify USchedule

Interested in a course that we have not yet scheduled? Get in touch, and ask for your preferred date and time. We can work together to make it happen.