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 301:

    Using this partial Z Table, how many units from a month's production run are expected to not satisfy customer requirements for the following process?

    Upper specification limit: 7.2 Lower specification limit: 4.3 Mean of the process: 5.9 Standard Deviation:

    0.65 Monthly production: 450 units

    A. 3
    B. 7
    C. 10
    D. 12

  • Question 302:

    Which of the following activities takes place in the `forming' stage?

    A. Conciliation of team member's differences through acceptance of individuality of team members as well as common goals.
    B. Discussions about the team's dynamics
    C. Team members begin to know each other and their task at hand
    D. The project team obtains appreciation for their performance

  • Question 303:

    Two of the key deliverables for the Measure Phase are a robust description of the process and its flow and an assessment of the Measurement System.

    A. True
    B. False

  • Question 304:

    When a Belt Poka-Yoke's a defect out of the process entirely then she should track the activity with a robust SPC system on the characteristic of interest in the defect as an early warning system.

    A. True
    B. False

  • Question 305:

    For the data set shown here which of these statements is/are true?

    A. Hypothesis Testing of Means or Medians cannot be done since there are an unequal number of observations for the 3 samples
    B. A Paired T-test would be applicable for comparing Grade B and Grade A since they follow each other in the data set
    C. Grade A has the lowest sample Mean of the 3 samples
    D. Grade A has a higher sample Mean than Grade B

  • Question 306:

    `A drug was given to 10 patients and the increase in blood pressure was recorded to be 3, 6, -2, 4, -3, 4, 6, 0, 0, and 2. Is it reasonable to believe that the drug has no effect on the change of blood pressure?' Which suitable test statistic can you use?

    A. F test
    B. One sample t-test
    C. One sample z-test
    D. One proportion z-test

  • Question 307:

    Situations where standardized work needs to be incorporated include all of these except _____________________.

    A. Machines continually operating to reduce the labor cost per piece
    B. Lack of a system to assure proper inventory levels at repair stations
    C. Changeover instructions incomplete
    D. Process flow for the same product assembly taking various cycle time for completion

  • Question 308:

    A valuable tool to use during the Measure Phase to show material and information flow throughout an entire process is the ______________ .

    A. Value Stream Map
    B. FMEA
    C. Pareto Chart
    D. Standard Operating Procedure

  • Question 309:

    Find the tolerance interval for a sample having size10. There is 0.95 level of confidence that it will contain 99% of the population, given that the sample mean and standard deviation are 7.003 and 0.030 respectively.

    A. 7.1281, 6.880
    B. 7.136, 6.870
    C. 7.8956, 6.998
    D. 7.1135, 6.789

  • Question 310:

    The `House of Quality' is a component of:

    A. The cause-and-effect matrix
    B. Quality function deployment
    C. Critical path method
    D. SIPOC

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