GAQM CLSSBB Exam
Certified Lean Six Sigma Black Belt (CLSSBB) (Page 20 )

Updated On: 7-Feb-2026

The relationship between a response variable and one or more independent variables is investigated and modeled by use of____________________.

  1. X-Y Matrix
  2. Baldridge Assessment
  3. Analysis of Variance (ANOVA)
  4. Critical X's Definition

Answer(s): C



Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?

  1. Process proportion equals some value range
  2. Process proportion equals some desired value
  3. Target is current
  4. Proportion of the tail is equal

Answer(s): B



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.

Answer(s): B,D



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

  1. F test
  2. 1-Sample t-test
  3. 2-Sample t-test
  4. ANOVA test

Answer(s): C



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

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

Answer(s): C






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