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Black Belt Quiz

Which of the following is the best technique for improving the precision of a designed experiment when the experimental material is not homogeneous?

Which of the following is a component of a visual factory?

A tree diagram can be used to do which of the following?

Mathematically, the LEAST informative of the four measurement scales is

Which of the following best describes a controlled variable whose influence on a response is being studied?

Poka-yoke is best defined as

Which of the following describes the 95% confidence interval of a 20% absentee rate in a department with 30 people?

A black belt is developing a failure mode and effects analysis (FMEA) for the hamburger preparation station in a fast-food restaurant. The following ratings were developed for the low-heat temperature failure mode.
Severity = 9
Occurrence = 2
Detection = 1
What is the risk priority number (RPN) for this FMEA?

Which of the following is the best way to enhance the long-term availability of a machine?

To assess the significance of factors in either a fractional- or a full-factorial experiment structure, a black belt can use