做不合格品率P图时，如果样本容量变化，且样本容量最小与最大比值远小于0.75，怎么算控制限？ - 六西格玛质量问答课程考题一站式平台

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做不合格品率P图时，如果样本容量变化，且样本容量最小与最大比值远小于0.75，怎么算控制限？

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各位大佬，想请教一下啊，做不合格品率P图时，如果样本容量变化，且样本容量N最小值/N最大值远小于0.75，这时候控制限里N应该选择每一组的样本容量还是样本容量的均值？

这个图只说了≥0.75的情况，没有说＜0.75该咋办

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Release time: 2022-12-13 10:44

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