A change in quality level from 3-sigma to 4-sigma represents a:
A)1-fold improvement.
B)2-fold improvement.
C)5-fold improvement.
D)10-fold improvement.

Name: A change in quality level from 3-sigma to 4-sigma represents a: A)1-fold improvement. B)2-fold improvement. C)5-fold improvement. D)10-fold improvement.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

A change from 3-sigma to 4-sigma represents a 10-fold improvement in quality, as each sigma level represents a tenfold decrease in defects.

A Change in Quality Level from 3-Sigma to 4-Sigma Represents