ASQ Certified Six Sigma Yellow Belt Practice Test

• Define the voice of the customer and describe how customer needs are translated into quantifiable CTQ characteristics
• Describe how projects are identified and selected as suitable for a Six Sigma project using DMAIC
• Identify stakeholders and describe how each can influence the project
• Use SIPOC to identify and define important elements of a process
• Understand supply chain management and how it relates to project management

• Describe the purpose of a charter and its components: problem statement, project scope, baseline data, and project goal
• Explain the purpose and benefits of a communication plan and how it can impact project success
• Define WBS and Gantt charts, and describe how they are used to plan and monitor projects
• Select and use various PM tools: activity network diagrams, affinity diagrams, matrix charts, relations charts, and tree diagrams
• Explain how tollgate or phase reviews are used throughout the DMAIC lifecycle

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

• Describe the critical elements of a data collection plan including operational definition, data sources, method, and frequency
• Define and distinguish between qualitative and quantitative data
• Use various data collection techniques including surveys, interviews, check sheets, and checklists

• Define precision, accuracy, bias, linearity, and stability and describe how they apply in the measurement phase
• Describe and distinguish between repeatability and reproducibility and describe how and why GR&R is used

• Define how 5S and value analysis can be used to identify and eliminate waste
• Relate the elements of severity, occurrence, and detection
• determine how they calculate RPN
• demonstrate how FMEA identifies potential failures

Describe how the 5 Whys, process mapping, 8D, force-field analysis, and matrix charts can be used to identify the root causes of a problem

Explain and apply elements of the corrective action process: identify the problem, contain the problem (interim action), determine the causes and propose solutions to eliminate it or prevent its recurrence (permanent action), verify implementation, and confirm effectiveness (validation)

• Explain and apply elements of a preventive action process: understand process analysis techniques to identify potential failures, defects, or process deficiencies
• improve the process through error-proofing and procedural changes
• verify the effectiveness of the preventive action

• Define and distinguish between normal and binomial distributions and describe how their shapes can affect data interpretation
• Describe and distinguish between common and special cause variation

• Describe how correlation is used to identify relationships between variables
• Describe how regression analysis is used to predict outcomes

Define and distinguish between hypothesis terms: null and alternative, Type I and Type II error, p-value and power

• Define and distinguish between kaizen and kaizen blitz and describe how they improve processes
• Define and distinguish between the steps in the PDCA cycle
• Explain the importance of cost-benefit analysis and how it is used in the improve phase

• Describe the importance of a control plan for maintaining improvements
• Describe how X-bar and R charts are used for monitoring and sustaining improved processes
• Describe the importance of documenting changes to a process and communicating those changes to stakeholders
• Understand the purpose and use of work instructions and SOPs