Be able to design the correct SPC chart type, rational sub-grouping, and sampling frequency.

能够设计正确的制程能力图的种类，明确抽样数量和抽样频率。

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Define and apply the principle of rational sub grouping.

定义并应用合理分组的原则。

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Define and apply the principle of rational sub grouping.

定义并应用合理分组的原则。

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