Lean Six Sigma Black Belt Certification CLSSBB Exam Questions and Answers PDF

A stable, normally distributed process with specification 3.50 .03 has = 3.51 and = .016. What percent of the production violates specification?

A team studies a coil steel banding process and makes five changes resulting in productivity improvements of 2%, 2.8%, 2.4%, 2% and 3% respectively. These improvements are best described by which approach to problem solving?

The team in the above problem draws arrows from Post-It® notes that are causes to notes that are the effects of these causes. This step is best described by which approach to problem solving?

SCENARIO

A Six Sigma team is measuring the moisture content of corn starch as it leaves the conveyer belt of a dryer. They collect one sample four cups of starch at times indicated in the chart at fixed locations labeled A, B, C, and D across the end of the belt. See the diagram below.

Find the equation of the regression line for these sample data points: (1, 7) (3, 3) ( 3, 2) (5, –1)