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Exam ICBB topic 1 question 69 discussion

Actual exam question from Six Sigma's ICBB
Question #: 69
Topic #: 1
[All ICBB Questions]

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?

  • A. Weibull Distribution
  • B. Normal Distribution
  • C. Exponential Distribution
  • D. Logistic Distribution
  • E. Gaussian Distribution
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Suggested Answer: A 🗳️

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InvisibleBeing
1 year, 7 months ago
Selected Answer: A
A is correct. In the Probability Plot for Weibull, most of the data is fitting inside the 95% confidence interval lines as compared to other plots.
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