Certified Six Sigma Black Belt Exam DMAIC Methodology 3

Question 1

The Voice of the Customer (VOC) is gathered during which phase?

Accepted Answer

Define

Answer

VOC is collected in the Define phase to understand customer requirements.

Question 2

Pilot testing of solutions occurs in which DMAIC phase?

Accepted Answer

Improve

Answer

The Improve phase develops, tests, and implements solutions.

Question 3

Statistical Process Control (SPC) charts are primarily used in:

Accepted Answer

Control

Answer

SPC charts monitor the improved process in the Control phase to detect shifts.

Question 4

The sigma level of a process measures:

Accepted Answer

The number of defects per million opportunities

Answer

Sigma level quantifies process capability as DPMO (Defects Per Million Opportunities).

Question 5

A process capability index (Cpk) of 1.33 indicates:

Accepted Answer

A capable process

Answer

Cpk ≥ 1.33 is generally considered capable (4-sigma performance).

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