Six Sigma Yellow Belt Examination

40 Questions

Settings
Six Sigma Quizzes & Trivia

This is the Yellow Belt Examination which will evaluate the learning from your recent YB Six Sigma classroom session.


Questions and Answers
  • 1. 
    The fishbone diagram is used for which of the following?
    • A. 

      To follow the movement of people in a process

    • B. 

      To determine process capability

    • C. 

      To categorize input variables that may be important

    • D. 

      To prioritize the highest frequency problems

    • E. 

      To show the process flow

  • 2. 
    Which part of the project charter defines the boundaries of the project?
    • A. 

      The business case

    • B. 

      The goal statement

    • C. 

      The project scope

    • D. 

      Defining the team roles

    • E. 

      Timelines for Project completion

  • 3. 
    The first step in developing a project charter is to:
    • A. 

      Identify the solutions to be tested

    • B. 

      Investigate the root causes of the problem being analyzed

    • C. 

      Identify the opportunity for improvement

    • D. 

      Calculate the final project benefits

    • E. 

      None of the above

  • 4. 
    Which of the following is a tool that is used to identify the vital few areas that need improvement?
    • A. 

      SIPOC

    • B. 

      Pareto Chart

    • C. 

      Trend chart or Run chart

    • D. 

      Value added flow chart

    • E. 

      Process Flow Chart

  • 5. 
    Which of the following is the most useful graphical tool for demonstrating data distribution?
    • A. 

      Process Map

    • B. 

      Histogram

    • C. 

      Pareto Chart

    • D. 

      Cause and Effect Diagram

    • E. 

      None of the above

  • 6. 
    Which of the following is the purpose of Trend Charts?
    • A. 

      Calculate class interval in a process

    • B. 

      Observe Variation in the process over a period of time

    • C. 

      Prioritizing a solution

    • D. 

      Ensure Statistical Process Control

    • E. 

      None of the above

  • 7. 
    Which is the main focus of Statistical Process control?
    • A. 

      Identification of special cause variation

    • B. 

      Prioritization of vital causes

    • C. 

      Identification of failure modes

    • D. 

      Identification of defects per unit over a period of time

    • E. 

      Identification of vital few from trivial many

  • 8. 
    Which of these steps is NOT involved in prioritizing and selecting a solution?
    • A. 

      Establishing rating criteria

    • B. 

      Weight the criteria

    • C. 

      Establish criteria rating descriptions

    • D. 

      Determine the Sigma Level of the process

    • E. 

      Rate each solution

  • 9. 
    The Critical to Quality Characteristic’s definition includes which of the following?
    • A. 

      Baseline Sigma Value

    • B. 

      Specifications (Target and limits)

    • C. 

      Control Limits

    • D. 

      Both a and b

    • E. 

      Both a and c

  • 10. 
    Which of the following is NOT a typical category for fishbone chart?
    • A. 

      Person

    • B. 

      Process

    • C. 

      System

    • D. 

      Policy

    • E. 

      Maintenance

  • 11. 
    What is the use of the pareto chart?
    • A. 

      To measure the variability in the process

    • B. 

      To calculate the sample size

    • C. 

      To segregate the vital few causes from the trivial many

    • D. 

      To determine the process capability

    • E. 

      None of the above

  • 12. 
    Why don’t all processes need to achieve a Six Sigma level of performance?
    • A. 

      It may be very difficult to deliver some processes at that level

    • B. 

      It may be very costly to deliver processes at that level

    • C. 

      The processes may be critical processes

    • D. 

      Both a and b

    • E. 

      All processes should aim at a Six Sigma level of performance without thinking of cost considerations

  • 13. 
    Turn Around Time of a process measured in hours is an example of which type of measurement?
    • A. 

      Attribute measurements

    • B. 

      Variable measurements

    • C. 

      Discrete measurements

    • D. 

      Metrics

    • E. 

      None of the above

  • 14. 
    In the measure phase, which of the following is one of the things you should do?
    • A. 

      Develop a team charter

    • B. 

      Determine the baseline performance of the process

    • C. 

      Do causal analysis

    • D. 

      Document process changes

    • E. 

      Do hypothesis testing

  • 15. 
    • A. 

      What is the baseline performance of a specific process prior to improvement actions

    • B. 

      Whether people are provided with proper education and training on the improved process

    • C. 

      What is the control plan for the process

    • D. 

      A and C

    • E. 

      A and B

  • 16. 
    If D = Number of Defects, O = Defect Opportunities per unit, N = Sample Size, then which formula below is used to calculate DPMO?
    • A. 

      (O*1000000)/(N*D)

    • B. 

      O/(N*1000000)

    • C. 

      (O*N*D*1000000)

    • D. 

      (D*1000000)/(N*O)

    • E. 

      (N*1000000)/(D*O)

  • 17. 
    Which of the following is a typical activity undertaken in the Analyze phase of a project?
    • A. 

      Define performance standards

    • B. 

      Pilot the solution

    • C. 

      Validate root causes

    • D. 

      Create SIPOC

    • E. 

      Compute the baseline

  • 18. 
    • A. 

      Reduce risk

    • B. 

      Assist in buy in

    • C. 

      Allow for verification before implementation

    • D. 

      Identify issues before implementation

    • E. 

      Develop process steps for value analysis

  • 19. 
    The contents of the high-level process map include:
    • A. 

      Customer, Outputs, Process Steps, Cost, Supplier

    • B. 

      Customer, Outputs, Process Steps, Inputs, Suppliers

    • C. 

      Schedule factors, Outputs, Process Steps, Inputs, Suppliers

    • D. 

      Boundaries of process steps

    • E. 

      None of the above

  • 20. 
    Which of the following choices best represents the purpose of a process map?
    • A. 

      Identify waste and prioritize projects

    • B. 

      To create a histogram

    • C. 

      To baseline the process performance

    • D. 

      To prioritize solutions

    • E. 

      None of the above

  • 21. 
    • A. 

      Brainstorm possible solutions

    • B. 

      Determine if the products is shippable

    • C. 

      Describe the CTQC’s more accurately

    • D. 

      Assess process capability

    • E. 

      Find the root cause of a problem

  • 22. 
    At which stage of a Six Sigma DMAIC project is a process map typically created?
    • A. 

      Define

    • B. 

      Measure

    • C. 

      Analyze

    • D. 

      Improve

    • E. 

      Control

  • 23. 
    Which of the following are goals when creating Process Maps?
    • A. 

      Determining which employees are the most productive

    • B. 

      Calculating process capability

    • C. 

      Determining inputs and identifying waste

    • D. 

      Identifying customer requirements

    • E. 

      Inspecting product to reduce defects

  • 24. 
    Which of the following tools can be used to group or organize ideas to achieve improved definition and understanding of them?
    • A. 

      Affinity Diagram

    • B. 

      Multi-voting

    • C. 

      Brainstorming

    • D. 

      Fishbone diagram

    • E. 

      A process step

  • 25. 
    In which stage of the Six Sigma DMAIC process is a charter established?
    • A. 

      Define

    • B. 

      Measure

    • C. 

      Analyze

    • D. 

      Improve

    • E. 

      Control

  • 26. 
    In which stage of Six Sigma projects are Control (SPC) Charts used to maintain improved process performance?
    • A. 

      Define

    • B. 

      Measure

    • C. 

      Analyze

    • D. 

      Improve

    • E. 

      Control

  • 27. 
    Beyond the Leadership Council/Team, whose responsibility is it to provide resources and remove roadblocks that can hinder teams, particularly for projects which cross functional boundaries?
    • A. 

      Supervisor

    • B. 

      Greenbelt

    • C. 

      Customer

    • D. 

      Project Champion or Sponsor

    • E. 

      Black Belt

  • 28. 
    Of all the factors that bear upon the success of a Six Sigma initiative, which of the following is likely the most important?
    • A. 

      Strict adherence to the DMAIC framework

    • B. 

      A successful completion of hypothesis testing

    • C. 

      Accurately assessed process capability studies, with appropriately set tolerances

    • D. 

      Sustained, effective leadership

    • E. 

      Seamless teamwork

  • 29. 
    Which of the following tools is used to prioritize categories based on relative frequency of occurrence in the search for a root cause or key variable?
    • A. 

      Affinity Chart

    • B. 

      Pareto Chart

    • C. 

      Cost analysis

    • D. 

      Process Flow chart

    • E. 

      Histogram

  • 30. 
    Which of the following represents the most important reason to understand the voice of the customer?
    • A. 

      To determine customer requirements and specifications

    • B. 

      To calculate project ROI (return on investment)

    • C. 

      To quantify the relationship between key process inputs

    • D. 

      To estimate the cost of returns

    • E. 

      To determine inspection needs

  • 31. 
    • A. 

      Team Leader

    • B. 

      Scope of project, including “included” and “not included”

    • C. 

      Amount of improvement required and business impact

    • D. 

      Measurement system to be used

    • E. 

      Resources required

  • 32. 
    Why is it useful to identify the CTQC’s rather than general requirements statements?
    • A. 

      They are more specific and are easier to measure and control

    • B. 

      They allow price reduction for suppliers

    • C. 

      They enable calculation of the cost of quality

    • D. 

      They can be eliminated once they are identified

    • E. 

      They are always stable and capable

  • 33. 
    Which of the following tools helps us to understand the spread and shape of a distribution of process data?
    • A. 

      Pareto Chart

    • B. 

      Control Chart

    • C. 

      Trend Chart

    • D. 

      Histogram

    • E. 

      Sigma Level

  • 34. 
    An improvement team is working with a delivery process to reduce the number of late deliveries. Which tool would be the best choice if the team intends to examine the variation exhibited by the current process over a period of time?
    • A. 

      Run Chart

    • B. 

      Pareto Chart

    • C. 

      Control Chart

    • D. 

      SIPOC Map

    • E. 

      Histogram

  • 35. 
    If you wanted to see the data variation over time, which tool would you use?
    • A. 

      Trend Chart

    • B. 

      Histogram

    • C. 

      Cause and Effect (Fishbone Diagram)

    • D. 

      Pareto Chart

    • E. 

      Process Flow Chart

  • 36. 
    In establishing an effective and efficient process control system, which of the following represents the best strategy for implementing control charts (SPC charts) if the goal is to chart and control the process upstream, at the point of greatest leverage and closest to the source of process variability?
    • A. 

      Chart the significant process input characteristics (Xs)

    • B. 

      Chart all measurable process characteristics

    • C. 

      Chart the error rate of the process

    • D. 

      Chart process equipment checklist results

    • E. 

      Chart the process significant output characteristic (Y)

  • 37. 
    Which of the following represents a very important element of the project charter?
    • A. 

      Establishment of root causes

    • B. 

      Choice of the correct control chart

    • C. 

      Prioritizing a solution

    • D. 

      The process map

    • E. 

      The business case statement

  • 38. 
    Which of the following is not a measure of central tendency?
    • A. 

      Mean

    • B. 

      Median

    • C. 

      Mode

    • D. 

      Standard deviation

    • E. 

      None of the above

  • 39. 
    Which of the following is an example of a continuous data?
    • A. 

      Short and Tall

    • B. 

      Good and Bad

    • C. 

      Average Handle Time (in sec.)

    • D. 

      Likert Scale 1 - 10

    • E. 

      None of the above

  • 40. 
    Under Control phase, the following methods are used for documenting process changes except for:
    • A. 

      Change Written Procedures and update Job Instructions

    • B. 

      Share Best Practices and Lessons Learned

    • C. 

      Piloting

    • D. 

      Update Visual Aids

    • E. 

      None of the above