ICBB Exam Details

  • Exam Code
    :ICBB
  • Exam Name
    :IASSC Certified - Lean Six Sigma Black Belt
  • Certification
    :IASSC Certifications
  • Vendor
    :IASSC
  • Total Questions
    :424 Q&As
  • Last Updated
    :Jul 11, 2026

IASSC ICBB Online Questions & Answers

  • Question 1:

    The Lean toolbox includes all of these items except ________________.

    A. Mistake Proofing
    B. Visual Factory
    C. Design of Experiments
    D. Inventory Management

  • Question 2:

    From the variance F-test shown above, which of these conclusions is/are valid?

    A. The variance between the class score distribution is not significantly different
    B. This test applies only to Normal Distributed data at 99 % confidence
    C. The variance between the class score distribution is significantly different
    D. There are not enough data points to make any statistical conclusions

  • Question 3:

    What is the main difference between the concepts of `lean' and `Six Sigma'?

    A. Lean emphasizes the increase of variance in production systems, whereas `Six Sigma' emphasizes the decrease of variance in production processes.
    B. Lean emphasizes the `quality' factor in production processes, whereas `Six Sigma' emphasizes the `time' factor in production processes.
    C. Lean emphasizes the `time' factor in production systems, whereas `Six Sigma' emphasizes the `quality' factor in production systems.
    D. Lean emphasizes the decrease of variance in production systems, whereas `Six Sigma' emphasizes the increase of variance in production processes.

  • Question 4:

    All the data points that represent the total set of information of interest is called the ________________ .

    A. Population
    B. Sample
    C. Frame
    D. Spread

  • Question 5:

    Who pioneered the concept of hierarchy of needs in his paper `A Theory of Human Motivation'?

    A. Herzberg
    B. Maslow
    C. Douglas McGregor
    D. Deming

  • Question 6:

    Which of these are examples of business metrics or Key Performance Indicators commonly referred to as KPI's?

    A. Cycle Time
    B. Defects
    C. No. of Units Reworked
    D. Labor Hours
    E. All of these answers are correct

  • Question 7:

    A Personal Trainer was assessing her workout class participants for their body fat content and had to include data for her analysis. One of the columns listed the range of weight of the people included in the studies. This required plotting a Histogram of the weight of the people assessed for their body fat content.

    While drawing the Histogram the x-axis contained a certain scale of data. Pick the scale of data that is appropriate for Histograms.

    A. Ordinal Scale Data
    B. Ration Scale Data
    C. Nominal Scale Data
    D. Interval Scale Data

  • Question 8:

    A Belt rearranged the location of the parts inventory for a rework station locating the most often used parts to be within hand reach of the repair person. This rearrangement resulted in quicker repair times by eliminating one of seven major elements of waste which is the Waste of __________.

    A. Motion
    B. Conveyance
    C. Inventory
    D. Waiting

  • Question 9:

    Which one of the listed tools is frequently used to help drill down to possible causes once a Fishbone Diagram is constructed?

    A. 3 When Analysis
    B. Skeleton Diagnostic
    C. Ishikawa Diagram
    D. 5 Why Analysis

  • Question 10:

    Which of these might contribute to similar distributions having Unequal Variance?

    A. Extreme tails
    B. Outliers
    C. Multiple Modes
    D. All of the above

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