ASQ CSSBB Six Sigma Black Belt Exam Practice Test

A quality engineer employed by a hospital is asked to improve the process of medication storage in locked cabinets near patient doors. One defect that occurs rarely is that the medication caddy is left out when the cabinet is relocked. The engineer installs a gravity activated arm that will not permit the door to close when the caddy isn't inside. This improvement is best described by which approach to problem solving?

A principle disadvantage of fractional factorial experimental designs is:

A principle advantage of fractional factorial experimental designs is:

A newspaper article describes a high positive correlation between obesity and orange juice consumption among six-year-olds. Parents who restrict the use of orange juice for their children have:

In a certain sampling situation, = 0, = 0.08. The power of the sampling plan in this case is:

A and B are events. P(A) = 0.80 and P(B) = 0.90.

A correct statement about the relationship between the terms parameter and statistic is: