CLSSBB Exam Details

  • Exam Code
    :CLSSBB
  • Exam Name
    :Certified Lean Six Sigma Black Belt (LSSBB)
  • Certification
    :Six Sigma Certifications
  • Vendor
    :Six Sigma
  • Total Questions
    :639 Q&As
  • Last Updated
    :Jul 12, 2026

Six Sigma CLSSBB Online Questions & Answers

  • Question 101:

    Range Charts are the technique used to determine if Special Causes are occurring within the subgroups of the ______________.

    A. Histograms
    B. SPC Charts
    C. NP Charts
    D. Pareto Charts

  • Question 102:

    There have been some instances in which 1.5 inch sheet metal screws are used where 1.25 inch should have been used. This produces a critical defect. The decision is made to have all 1.25 inch screws have a square reduced head and all

    1.5 inch screws be Phillips. This is an example of:

    A. visual factory
    B. kanban
    C. poka-yoke
    D. standard work
    E. set up time reduction (SMED)

  • Question 103:

    Which of the following terms is used to describe the risk of a type I error in a hypothesis test?

    A. Power
    B. Confidence level
    C. Level of significance
    D. Beta risk

  • Question 104:

    Cost of Poor Quality (COPQ) can be classified as Visible Costs and Hidden Costs. All these items are Hidden Cost except __________________.

    A. Lost Customer Loyalty
    B. Returns
    C. Time Value of Money
    D. Late Delivery

  • Question 105:

    When a process has proven itself to function at a Six Sigma level this means there are less than ________ defects per million opportunities.

    A. 0.4
    B. 3.2
    C. 3.4
    D. 3.7

  • Question 106:

    A team is investigating ways to reduce power outages. They determine that an outage can occur in only three ways: grid failure, local transformer failure or local overload. They then investigate each of these three events for possible causes, etc. They draw a diagram that "fans out" using the power outage as the handle of the fan. These improvements are best described by which approach to problem solving?

    A. Affinity diagram
    B. Inter-relationship digraph
    C. Tree diagram
    D. Process decision program chart
    E. Matrix diagram F. Prioritization matrix
    F. Activity network diagram

  • Question 107:

    A robust design is one which:

    A. has high reliability
    B. has low maintenance frequency
    C. is simple to manufacture
    D. is resistant to varying environmental conditions

  • Question 108:

    With Measurement System Analysis we are concerned with two issues that impact the potential variability of the data. They are ____________ and Accuracy.

    A. Spread
    B. Reliability
    C. Precision
    D. Deflection

  • Question 109:

    Find the value of (3) in the ANOVA table. Assume:

    A. 16.4
    B. 3.2
    C. 18.6
    D. 23.2
    E. 4.54
    F. 12.2
    G. 0.525
    H. 2.82
    I. 1.48
    J. 35.4

  • Question 110:

    Dr. Joseph M. Juran:

    A. lectured in Japan after World War II
    B. was an author of several books in the US
    C. lectured widely in the US
    D. is considered an expert is the quality field
    E. all of the above
    F. none of the above

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