Lean Six Sigma Black Belt ICBB Reddit Questions

IASSC Lean Six Sigma – Black Belt Questions and Answers

Question 25

Some of the sources for different types of error that can be quantified using Statistical Analysis are ___________________.

Error in sampling

Bias in sampling

Error in measurement

All of these answers are correct

Question 26

The Greek letter “sigma” is used by mathematicians to signify _____________.

Curve Width

Numerical Average

Standard Deviation

Data Spread

Question 27

Which of these elements are not included in Implementation plans?

Work breakdown structure

Cost/Benefit ratios

Risk management plans

Planned audits of work completion

Question 28

Which statement(s) are correct about the Pareto Chart shown here for the DOE analysis? (Note: There are 2 correct answers).

It is unknown from this graph how many factors were in the Experimental Design

The factors to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 2.06

The effects to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 0.05

The factors to keep in the mathematical model with a 5% alpha risk are BE, AB, A and AD