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 161:

    A Belt has determined that the inventory of repair parts at a rework station can be reduced by 45%. According to Cost of Poor Quality (COPQ) definitions inventory reduction would be considered _______________.

    A. Soft Savings
    B. COPQ efficiency
    C. Median Savings
    D. Hard Savings

  • Question 162:

    The following data were collected on the diameters of turned shafts: 2.506 2.508 2.505 2.505. These values are: I. Attribute data II. Discrete data III. Variables data IV. Continuous data

    A. I and II A stable, normally distributed process with specification 3.50 .03 has = = .016. What percent of the production violates specification?
    B. I only
    C. II only
    D. I and IV
    E. III and IV

  • Question 163:

    What aspects of Measurement Systems Analysis (MSA) studies are applicable when the process used to measure does not damage the part?

    A. Destructive variable gage RandR and Crossed Study
    B. Destructive variable gage RandR and Nested Study
    C. Nondestructive variable gage RandR and Crossed Study
    D. Nondestructive variable gage RandR and Nested Study

  • Question 164:

    An operator checks that all boxes being packed contain enough products to fill the box. However, each box getting filled has a different number of products in it. This is a Reproducibility problem, not a Repeatability problem.

    A. True
    B. False

  • Question 165:

    The calculation of Column Total Times Row Total divided by Grand Total yields expected values from what type of chart?

    A. Pareto Chart
    B. Sakami Table
    C. Contingency Table
    D. None

  • Question 166:

    A control chart will be used to monitor the number of scratches on a product. The following data have been collected: The appropriate control chart to use is:

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

  • Question 167:

    A tree diagram can be used to do which of the following?

    A. Allow a team to identify root causes even when no credible data exist
    B. Show a causality relationship
    C. Present data from a check sheet
    D. Reveal the true level of a problem's complexity

  • Question 168:

    A ____ from a sample is used to estimate a population _____. The two words that best fill these blanks are:

    A. item, value
    B. value, statistic
    C. statistic, parameter
    D. parameter, value
    E. parameter, statistic

  • Question 169:

    An x-bar and R chart has four part measurements per sample The control limits on the averages chart are 2.996 and 3.256. Assume the process data form a normal distribution.What is the probability that the next plotted point falls outside the control limits?

    A. 0.00135
    B. 0.0027
    C. 0.0054
    D. none of the above

  • Question 170:

    A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt's effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. Select the answer that best states the Practical Problem.

    A. If the average cost per component is $4,200 or less, then the purchase manager will introduce the new product upgrade with new components
    B. If the average cost per component is greater than $4,200, then the purchase manager will introduce the new product upgrade with new components
    C. Only if the average cost per product upgrade is $4,060, will the purchase manager introduce new product upgrades with new components
    D. If the average cost per new product upgrade is less than $180, then the purchase manager will introduce the new product upgrade with new components

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