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 331:

    A(n) ______________ is best used to compare a Machine 1 average quality characteristic to the same quality characteristic of Machine 2.

    A. F test
    B. 1-Sample t-test
    C. 2-Sample t-test
    D. ANOVA test

  • Question 332:

    Positional, cyclical, and temporal variations are most commonly analyzed in

    A. SPC charts
    B. multi-vari charts
    C. cause and effect diagrams
    D. run charts

  • Question 333:

    Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false, that would be a(n) _______________.

    A. Type I Error
    B. Type II Error
    C. Type III Error
    D. Alpha Error

  • Question 334:

    From this list select the items that define what an X-Y Diagram is. (Note: There are 4 correct answers).

    A. Created for every project
    B. Based on team's collective opinions
    C. Updated whenever a parameter is changed
    D. Used to show each step in a process
    E. A living document throughout project lifecycle

  • Question 335:

    For consumer products, an increase in the percentage of returned goods most likely equates to an increase in

    A. product not meeting specifications
    B. end-user dissatisfaction
    C. internal reject rates
    D. nonconforming material costs

  • Question 336:

    The temperature in a storage location is logged once every 30 minutes. The control chart that is appropriate for displaying these values is:

    A. x-bar and R
    B. median
    C. individual and moving range
    D. p
    E. np
    F. u
    G. c

  • Question 337:

    Following have been exponents of Quality evolution except?

    A. Juran
    B. Philip Crossby
    C. Wockhardt
    D. Deming

  • Question 338:

    If item A is more likely to be detected than item B which will have the highest Severity value?

    A. item A
    B. item B
    C. cannot be determined

  • Question 339:

    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 340:

    The management team in the above problem assigns each goal a numerical value designating its importance. The "bulls eyes," circles and triangles are replaced by the values 3, 2 and 1 respectively. Entries are made in each box by multiplying the 3, 2 or 1 by the goal value. The importance of each activity is calculated by adding the entries in its row.

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

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