Certified Lean Six Sigma Green Belt (CLSSGB) v4.0

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Exam contains 200 questions

Select all the statements that are true after reviewing the Capability Analysis shown here.
(Note: There are 4 correct answers).

  • A. The process is out of Control.
  • B. The process is properly assumed to be a Normal process.
  • C. The Mean of the process moving range is 1.78.
  • D. This Capability Analysis used subgroups.
  • E. Majority of the dimensional values are outside of the tolerance than within.


Answer : B,C,D,E

A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a
_____________Chart.

  • A. SIPOC
  • B. Multi-Vari
  • C. Box Plot
  • D. Whisker


Answer : B

A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.

  • A. True
  • B. False


Answer : A

__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.

  • A. Skewed
  • B. Bimodal
  • C. Gaussian
  • D. Tri-peaked


Answer : A

Bias in Sampling is an error due to lack of independence among random samples or due to systematic sampling procedures.

  • A. True
  • B. False


Answer : A

To draw inferences about a sample population being studied by modeling patterns of data in a way that accounts for randomness and uncertainty in the observations is known as
____________________.

  • A. Influential Analysis
  • B. Inferential Statistics
  • C. Physical Modeling
  • D. Sequential Inference


Answer : B

For a Normal Distribution the Mean, Median and Mode are the same data point.

  • A. True
  • B. False


Answer : A

When two Inputs have an impact on the Output together yet seem to have no or little impact on their own this is called a/an ________________.

  • A. Interaction
  • B. Oddity
  • C. Coincidence
  • D. Impossibility


Answer : A

Hypothesis Testing can save time and help avoid high costs of experimental efforts by using existing data.

  • A. True
  • B. False


Answer : A

It is a Type II error if we decide to reject the Null Hypothesis when it is actually true.

  • A. True
  • B. False


Answer : B

A Belt experienced an Alpha of .05 and a Beta of .10 and knew these are the most common risk levels when running a Statistical test.

  • A. True
  • B. False


Answer : A

Inferential Statistics is largely about Significance. There are both Practical and
_______________ Significance to consider during an analysis of data in a Lean Six Sigma project.

  • A. Problematic
  • B. Impractical
  • C. Usable
  • D. Statistical


Answer : D

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

  • A. Analysis
  • B. Kurtosis
  • C. Risk
  • D. Route


Answer : C

Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to _________ based on the result of the P-values.

  • A. Human error
  • B. Measurement error
  • C. Shift differences
  • D. Chance


Answer : D

The Alpha level of a test (level of significance) represents the yardstick against which P- values are measured and the Null Hypothesis is rejected if the P-value is which of these?

  • A. Less than the Alpha level.
  • B. Greater than the Alpha level.
  • C. Greater than the Beta and Alpha level.
  • D. Less than one minus Alpha.
  • E. Less than the power of one minus Beta.


Answer : A

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Exam contains 200 questions

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