Math Problem Statement
对于一个稳定的分布为正态的生产过程,计算出它的工序能力指数 p C =1.65, pk C =0.92。这时, 应该对生产过程作出下列判断: A. 生产过程的均值偏离目标太远,且过程的标准差太大。 B. 生产过程的均值偏离目标太远,过程的标准差尚可。 C. 生产过程的均值偏离目标尚可,但过程的标准差太大。 D. 对于生产过程的均值偏离目标情况及过程的标准差都不能作出判断。
Solution
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Math Problem Analysis
Mathematical Concepts
Process Capability Analysis
Normal Distribution
Standard Deviation
Formulas
Cp = (USL - LSL) / (6 * sigma)
Cpk = min((USL - mu) / (3 * sigma), (mu - LSL) / (3 * sigma))
Theorems
-
Suitable Grade Level
Professional
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