Supppose an intern in the quality department of a manufacturing company is tasked with propposing an approach to improve a process that has bad Cpk but a good Cp . Which is a bettter approach to solving this problem? a. Expand the range between upper and lower specification limits. b. First, the assignable (special) cause variation should be removed. c. Simultaneously address both common and assignable cause variations. d. First, the common (natural) cause variation should be removed.

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Supppose an intern in the quality department of a manufacturing company is tasked with propposing an approach to improve a process that has bad Cpk but a good Cp . Which is a bettter approach to solving this problem?


a. Expand the range between upper and lower specification limits.
b. First, the assignable (special) cause variation should be removed.
c. Simultaneously address both common and assignable cause variations.
d. First, the common (natural) cause variation should be removed.
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