Exam 11: Statistically Based Quality Improvement for Variables

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The diameter of a mason jar is 3 inches but can be as large as 3.03 inches and as small as 2.97 inches. Twenty five samples of mason jars are taken and it is discovered that these components have a grand mean of 3.01 inches and a standard deviation of 0.02 inches. What is the capability of this process?

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________ is useful because it ensures independence among observations.

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World-class levels of process capability are measured by ________ defect levels.

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What is the difference between random and nonrandom variation?

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Process ________ means that the variation we observe in the process is random variation and not nonrandom variation.

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