QUESTION 11 A manufacturer embarking on a Six Sigma program sets the goal of having true Six Sigma capability for all processes by the end of the month. If their current process capability index on a key metric is less than 2.0 and the process capability ratio is 1.0, what must happen with the process standard deviation? The process standard deviation must be doubled. The process standard deviation must be cut in half. The process tolerances should be doubled. O The process standard deviation must be reduced by a factor of six.

In the above case the process standard deviation must be cut in half as the standard deviation is inversely proportional to process capability.

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