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Exam ICBB topic 1 question 229 discussion

Actual exam question from Six Sigma's ICBB
Question #: 229
Topic #: 1
[All ICBB Questions]

Which of the following is not a disadvantage of the 5 Whys?

  • A. The 5 Whys can be subjective
  • B. If the investigators do not possess enough skill and knowledge on the topic, they cannot find the causes of the problem
  • C. The 5 Whys cannot be easily learnt and applied as it requires no statistical analysis
  • D. The 5 Whys help to identify only one root cause of a problem
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Suggested Answer: C 🗳️
by InvisibleBeing at June 7, 2023, 3:22 a.m.

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InvisibleBeing
1 year, 7 months ago
Selected Answer: C
One does not need to learn or perform statistical analysis for 5 Whys. Drawbacks on the 5 Whys 1. It is not a data driven methoed. 2. It is not repeatable. 3. It is not free from Bias. 4. Limited to personal experience. 5. It does not take into account multiple reasons.
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