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 151:

    There are 14 different defects that can occur on a completed time card. The payroll department collects 328 cards and finds a total of 87 defects. DPU =

    A. 87 ÷ 328
    B. 87 ÷ (328 × 14)
    C. 14 ÷ 87
    D. 87 ÷ 14
    E. 328 ÷ 87
    F. 87 × 1,000,000 ÷ (14 × 328)

  • Question 152:

    A process shows the following number of defectives. Each sample size for this process is 85.3 8 2 7 7 6 8 8 9 5

    Find the control limits.

    A. none and 13.5
    B. 12.6 and 25.2
    C. none and 25.2
    D. none of the above

  • Question 153:

    Which of the following is not one of the Lean R's?

    A. Restart
    B. Remanufacture
    C. Redesign
    D. Recover

  • Question 154:

    It would be more likely than not for a Belt conducting a Regression Analysis to find that the _______________________.

    A. r2 value is smaller than the absolute value of r
    B. Correlation Coefficient equals r2
    C. Coefficient of Determination is less than r2
    D. Correlation Coefficient equals r divided by 2

  • Question 155:

    A natural logarithmic base is not required for which of these distributions for probability calculations?

    A. Weibull
    B. Binomial
    C. Poisson
    D. Normal

  • Question 156:

    Fractional Factorial, ____________and Response Surface Method are types of planned experiments.

    A. Multi-Vari Analysis
    B. Baldridge Channels
    C. One Factor at a Time or OFAT
    D. Factorial Design

  • Question 157:

    Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using one or more of these. (Note: There are 2 correct answers).

    A. Process proportion equals some desired value
    B. Process proportion equals some value range
    C. Target is current
    D. When we deal with Attribute type data
    E. Proportion of the tail is equal

  • Question 158:

    A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find the control limits for a median chart.

    A. 12.52 and 12.72
    B. 12.54 and 12.70
    C. 0.02 and 0.33
    D. none of the above

  • Question 159:

    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 160:

    The Pareto Principle is associated with 80:20 ratios? (True/False)

    A. True
    B. False

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