IASSC Lean Six Sigma - Black Belt Certification Exam Questions with AI Explanations

QUESTION: 46

Review the analysis shown here.

Which statements are true about the process? (Note: There are 3 correct answers).

The initial focus for this project would be to determine why the thicknesses are so frequently too low.
The majority of the process is closer to the lower specification limit.
This process is described with the Weibull Distribution.
The process has more problems with Variation than Centering.
The process follows a non-normal distribution with the given data.

Answer(s): B,D,E

A Lean Six Sigma project is attempting to reduce inventory days. The Process Capability will be monitored as part of the Control Phase to track the sustainability of the improvement.

Which distribution type is best used for performing the Capability Analysis?

Weibull Distribution
Normal Distribution
Exponential Distribution
Logistic Distribution
Gaussian Distribution

Answer(s): A

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QUESTION: 48

What conclusion is most correct about the Experimental Design shown here with the response in the far right column?

No factor has enough statistical confidence greater than 95% to have an impact on the response rate
Constant, Adv and Bev are the only factors statistically affecting the response rate with 95% confidence or more
If the Adv is increased from the low level to the high level, the response rate increases
The response level is statistically concluded to only need the Adv and Bev factors set at the low level to get the largest response rate
This design does not have enough experimental runs to conclude anything as evidenced by the lack of P-values in the MINITABTM output

Answer(s): D

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QUESTION: 49

A(n)_____________has occurred when two inputs have a greater impact on a change in the output than either of the inputs has by itself.

Dependency
Bimodal reaction
Interaction
Amplified effect

Answer(s): C

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QUESTION: 50

When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced by the extent to which we need to assess a Difference to be detected and the inherent variation in the process.

True
False

Answer(s): A

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QUESTION: 46

QUESTION: 47

QUESTION: 48

QUESTION: 49

QUESTION: 50