Six Sigma Yellow Belt

Exam structure for Six Sigma Yellow Belt

  • The Six Sigma Yellow belt certification is for two hours consisting of 75 Multiple Choice Questions

  • It is offered in the English language and Six Sigma Yellow Belt Certification exam will be conducted twice a year, in March and October, by local ASQ sections and international organizations.

  • All examinations are open book.

The below content will provide the guidance for the candidates who are preparing to take up the certification exam:

1. Six Sigma Fundamentals (21 Questions)

A.Six sigma foundations and principles

Describe the purpose of six sigma (reducing variation), its methodology (DMAIC) and its evolution from quality. Describe the value of six sigma to the organization as a whole. (Understand)

B. Lean foundations and principles

Describe the purpose of lean (waste elimination) and its methodologies (just-in-time, poka-yoke, kanban, value-stream mapping). Describe the value of lean to the organization as a whole. (Understand)

C. Six sigma roles and responsibilities

Define and describe the roles and responsibilities of six sigma team members (i.e., individual team members, yellow belt, green belt, black belt, master black belt, process owner, champion, sponsor). (Understand)

D. Team basics

1.Types of teams Identify the various types of teams that operate within an organization ( i.e., continuous improvement, self-managed and cross-functional) and their value. (Understand)

2. Stages of development Describe the various stages of team evolution: forming, storming, norming, performing, and adjourning. (Understand)

3. Decision-making tools Define brainstorming, multivoting, and nominal group technique (NGT), and describe how these tools are used by teams. (Understand)

4. Communication methods Explain how teams use agendas, meeting minutes, and project status reports, and how they support project success. (Understand)

E. Quality tools and six sigma metrics

1. Quality tools

Select and use these tools throughout the DMAIC process: Pareto charts, cause and effect diagrams, flowcharts, run charts, check sheets, scatter diagram, and histograms. (Apply)

2.Six sigma metrics

Select and use these metrics throughout the DMAIC process: defects per unit (DPU), defects per million opportunities (DPMO), rolled throughput yield (RTY), cycle time, and cost of poor quality (COPQ). (Apply)

II. Define Phase (12 Questions)

A.Project identification

1.Voice of the customer :

Define the voice of the customer and describe how customer needs are translated into quantifiable, critical-to-quality (CTQ) characteristics. (Understand)

2. Project selection :

Describe how projects are identified and selected as suitable for a six sigma project using the DMAIC methodology. (Understand)

3. Stakeholder analysis :

Identify end users, subject matter experts, process owners and other people or factors that will be affected by a project, and describe how each of them can influence the project. (Understand)

4. Process inputs and outputs :

Use SIPOC (suppliers, inputs, process, outputs, customers) to identify and define important elements of a process. (Apply)

B. Project management (PM) basics

1. Project charter :

Describe the purpose of a charter and its components: problem statement, project scope, baseline data, and project goal. (Understand)

2. Communication plan :

Explain the purpose and benefits of a communication plan and how it can impact the success of the project. (Understand)

3. Project planning :

Define work breakdown structure (WBS) and Gantt charts and describe how they are used to plan and monitor projects. (Understand)

4. Project management tools :

Select and use various PM tools: activity network diagrams, affinity diagrams, matrix charts, relations charts, and tree diagrams. (Understand) 5. Phase reviews Explain how tollgate or phase reviews are used throughout the DMAIC lifecycle. (Understand)

III. Measure Phase (15 Questions)

A. Basic statistics

Define, calculate, and interpret measures of central tendency (mean, median, mode) and measures of dispersion (standard deviation, range, variance). (Apply)

B. Data collection

1. Data collection plans

Describe the critical elements of a data collection plan, including an operational definition, data sources, the method to be used for gathering data, and how frequently it will be gathered. Describe why data collection plans are important. (Understand)

2. Qualitative and quantitative data

Define and distinguish between these types of data. (Understand)

3. Data collection techniques

Use various data collection techniques, including surveys, interviews, check sheets, and checklists to gather data that contributes to the process being improved. (Apply)

C. Measurement system analysis (MSA)

1. MSA terms Define precision, accuracy, bias, linearity, and stability, and describe how these terms are applied in the measurement phase. (Understand)

2. Gauge repeatability & reproducibility (GR&R) Describe how and why GR&R is used in the measurement phase. (Understand)

IV. Analyze Phase (15 Questions)

A. Process analysis tools

1. Lean tools

Define how 5S and value analysis can be used to identify and eliminate waste. (Understand)

2. Failure mode and effect analysis (FMEA)

Define the elements of severity, opportunity, and detection, how they are used to calculate the risk priority number. Describe how FMEA can be used to identify potential failures in a process. (Understand)

B. Root cause analysis

Describe how the 5-whys, process mapping, force-field analysis and matrix charts can be used to identify the root causes of a problem. (Understand)

C. Data analysis

1. Basic distribution types

Define and distinguish between normal and binomial distributions and describe how their shapes (skewed and bimodal) can affect data interpretation. (Understand)

2. Common and special cause variation Describe and distinguish between these types of variation. (Understand)

D. Correlation and regression

1. Correlation

Describe how correlation is used to identify relationships between variables. (Understand)

2. Regression

Describe how regression analysis is used to predict outcomes. (Understand)

E. Hypothesis testing

Define and distinguish between hypothesis terms (i.e., null and alternative, type I and type II error, p-value and power ). (Understand)

V. Improve and Control Phases (12 Questions)

A. Improvement techniques

1. Kaizen and kaizen blitz

Define and distinguish between these two methods and describe how they can be used to make improvements to any process in an organization (Understand)

2. Plan-do-check-act (PDCA) cycle

Define and distinguish between the steps in this process improvement tool. (Understand)

3. Cost-benefit analysis

Explain the importance of this analysis and how it is used in the improve phase. (Understand)

B. Control tools and documentation

1. Control plan Describe the importance of a control plan for maintaining improvements. (Understand)

2. Control charts Describe how X R charts are used for monitoring and sustaining improved processes. (Understand)

3. Document control Describe the importance of documenting changes to a process and communicating to those changes to stake holders.


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