Certified Six Sigma Black Belt Exam FREE Certified Six Sigma Black Belt Trivia Questions and Answers 3

Question 1

What does the Kano Model classify as 'delighters' or 'attractive quality' attributes?

Accepted Answer

Features that increase satisfaction when present but do not cause dissatisfaction when absent

Answer

Delighters in the Kano Model are unexpected features that greatly increase satisfaction when present but cause no dissatisfaction when missing.

Question 2

In a regression analysis, what does a Variance Inflation Factor (VIF) greater than 10 typically indicate?

Accepted Answer

Severe multicollinearity among predictor variables

Answer

A VIF exceeding 10 signals that a predictor variable is highly correlated with other predictors, indicating severe multicollinearity.

Question 3

During the Control phase, what is the primary purpose of a control plan?

Accepted Answer

To document the system for monitoring and maintaining process improvements

Answer

A control plan documents the monitoring methods, specifications, reaction plans, and responsibilities needed to sustain process improvements.

Question 4

What is the purpose of the Box-Cox transformation in Six Sigma analysis?

Accepted Answer

To transform non-normal data into an approximately normal distribution

Answer

The Box-Cox transformation applies a power function to data to make it more closely follow a normal distribution for valid statistical analysis.

Question 5

Which metric represents the expected number of defects per million opportunities at a 4.5 sigma short-term shift?

Accepted Answer

3.4 DPMO

Answer

The Six Sigma benchmark of 3.4 DPMO corresponds to a 6 sigma process with a 1.5 sigma shift, equivalent to 4.5 sigma short-term performance.

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