Avior Group Certification Exam

22 Questions

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Green Belt


Questions and Answers
  • 1. 
    Cause and Effect Matrices examine the relationship between:
    • A. 

      Problems and solutions

    • B. 

      Inputs and process steps

    • C. 

      Outputs and Inputs

    • D. 

      None of the above

  • 2. 
    In general, the benefits of mapping a process are:
    • A. 

      Communication of the process

    • B. 

      Identification of bottlenecks

    • C. 

      Identification of non-value added steps

    • D. 

      All the above

  • 3. 
    Process Capability is intended to quantify how well:
    • A. 

      The process meets the needs of management

    • B. 

      The voice of the process(VOP) meets the voice of the customer(VOC)

    • C. 

      The process satisfies the CEO

    • D. 

      The process wastes are quantified

  • 4. 
    Measurement repeatability is the variation in measurements obtained when one operator uses the same gage or measurement process for measuring the identical characteristics of the same parts, or item, or process.
    • A. 

      True

    • B. 

      False

  • 5. 
    If we were trying to assess how reproducible two hiring managers are in reviewing candidates for a given position, where the outcome is pass/fail, what analytical technique would be used? 
    • A. 

      Linearity study

    • B. 

      Gage R&R

    • C. 

      Kappa

    • D. 

      Kendall's Coefficient of Concordance

  • 6. 
    Which is not continuous (variable) data?
    • A. 

      Defective / Not Defective

    • B. 

      Cycle Time

    • C. 

      Product weight

    • D. 

      Pallet height

  • 7. 
    Which statement best describes the need for a control plan?
    • A. 

      Force management to maintain consistency

    • B. 

      Hold the gain, keep the improvements in place and working

    • C. 

      Develop the project definition

    • D. 

      Initiate control charts

  • 8. 
    Assuming that Process A and B are like processes, measure the same characteristic and are based on the same scale of measurement, Process B exhibits a greater __________________.
    • A. 

      Kurtosis

    • B. 

      Skewness

    • C. 

      Standard Deviation

    • D. 

      Homogeniety

  • 9. 
    Which of the following contain only types of waste?
    • A. 

      Making Defects, Overburden, Motion, Transportation

    • B. 

      Overproduction, Transportation, Waiting, Inventory

    • C. 

      Overproduction, Idle Time, Inventory, Unevenness

    • D. 

      Overburden, Inventory, Unevenness, Motion

  • 10. 
    If the bakery is baking numerous flavors of products that involve significant change-over time between batches, what tool will be key in reducing batch size?
    • A. 

      Overproduction

    • B. 

      Regression

    • C. 

      Setup reduction (SMED)

    • D. 

      Mistakeproofing

  • 11. 
    The 95% confidence interval around the cycle time sample mean of my process is 13 to 16 minutes.  I would like my confidence intervals to be narrower so I better "know" the real value when evaluating improvements.  I could:
    • A. 

      Increase my confidence level to something higher

    • B. 

      Collect more data

    • C. 

      Change the power

    • D. 

      None of the above

  • 12. 
    You collected some data on deli wait time and plotted it by store as shown.  Choose the most correct answer below. 
    • A. 

      There are no significant differences in wait time by store

    • B. 

      The largest differences in wait time are between stores thus it would make sense to investigate differences in the process between stores

    • C. 

      The largest differences in wait time are within store thus it would make sense to investigate differences in the process within the stores.

  • 13. 
    When setting up visual displays and controls, what are the important considerations?
    • A. 

      More the better

    • B. 

      High signal to noise; too much visual clutter detracts from the effectiveness of the control

    • C. 

      The colors used must work with the organizations standard colors

    • D. 

      Always make them electronic

  • 14. 
    When working with Quick Changeover improvements, what 2 things would you want to do to internal time?  (note: internal time is when the process is NOT running)
    • A. 

      Increase it or move to external time

    • B. 

      Move to another system

    • C. 

      Decrease it or move to external time

    • D. 

      None of the above

  • 15. 
    Spaghetti mapping is a technique to illustrate and possibly quantify the amount of:
    • A. 

      Waiting time in a process

    • B. 

      Over-Production in a process

    • C. 

      Over-Processing in a process

    • D. 

      Transportation and Motion in a process

  • 16. 
    I am working on a process to reduce the amount of product wasted each day (in lbs).  I've taken a sample of data before the change was made and have taken a sample of data after the change was completed.  Now I need to compare them.  What type of test should be run?
    • A. 

      Chi-Square Test of Association

    • B. 

      2 Proportions Test

    • C. 

      2 Sample-t Test, assuming unequal variances unless otherwise proven equal

    • D. 

      Kappa Test

  • 17. 
    If you are working on a project where cycle time of the process is your focus, what data would be one of the most important to measure and include on each of the steps of your process map?
    • A. 

      Number of FTE's

    • B. 

      Cycle Time

    • C. 

      Takt Time

    • D. 

      Revenue

  • 18. 
    By balancing and standardizing the work in a process, I will reduce WIP (Work in Process) and lead time.
    • A. 

      True

    • B. 

      False

  • 19. 
    When collecting data, the 3 families of variation that we must sample across in order to get a representative sample are:
    • A. 

      Variable, Normal and Skewed

    • B. 

      Spatial, Temporal, and Cyclic

    • C. 

      Constant Variance, Independent, and Normal

    • D. 

      Flintstones, Simpsons, and the Munsters

  • 20. 
    When doing a SIPOC, it is important to:
    • A. 

      Have quantified requirements for each input

    • B. 

      Have the elements of cost, quality and delivery (timeliness) represented in the outputs

    • C. 

      Have the 6M’s represented in the inputs

    • D. 

      All the above

  • 21. 
    Why is it important to clearly identify and validate the root causes of the problem in a project?
    • A. 

      Solutions could be applied that don’t address the problem

    • B. 

      Solutions could actually make the problem worse

    • C. 

      Money could be spent and the problem doesn’t improve

    • D. 

      All the above

  • 22. 
    I would like to organize the workplace shown here.  What technique could be used to structure the cleanup and organization event?
    • A. 

      Mistake-Proofing

    • B. 

      7S

    • C. 

      Setup Reduction

    • D. 

      FMEA