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GAQM CLSSBB Exam
Certified Lean Six Sigma Black Belt (CLSSBB) (Page 5 )

Updated On: 26-Jan-2026
Page 5 of 53
PDF with 300 Questions

An ANOVA used across many dependent variables could increase the Beta risk.

  1. True
  2. False

Answer(s): B



The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

  1. Testing the identity of two populations
  2. Focuses on equality of the Median of the two populations
  3. Less powerful than the traditional “t-test”
  4. More widely applicable than the traditional “t-test”

Answer(s): B,D



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).

  1. Process proportion equals some desired value
  2. Process proportion equals some value range
  3. Target is current
  4. When we deal with Attribute type data
  5. Proportion of the tail is equal

Answer(s): A,D



For the data shown here which statement(s) are true? (Note: There are 2 correct answers).

  1. With 95% confidence, we cannot conclude if the samples are from three Normal Distributions
  2. With greater than 95% confidence, we conclude the samples are from Non-normal Distributions
  3. If we wanted to compare the Central Tendencies of these three samples we would use the one way ANOVA test
  4. If we wanted to compare the Central Tendencies of these three samples we could use Mood’s Median test
  5. If we wanted to compare the Central Tendencies of all three samples we could use the Mann- Whitney test

Answer(s): B,D



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)
__________________.

  1. Type I Error
  2. Type II Error
  3. Type III Error
  4. Alpha Error

Answer(s): B



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