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文章对我国企业使用过程能力指数情况进行了问卷调查。结果显示,我国企业过程能力指数应用中存在的主要问题有:首先,计算过程能力指数的企业不多,且分布不平衡;其次,过程能力指数的可信度不高;再次,不考虑样本的随机性,简单地根据基于样本数据计算的点估计值就给过程的绩效下定论。这些问题的存在,为学者的相关研究提供了视角,也为企业、培训机构、行业协会、有关管理部门开展与过程能力指数有关的活动提供了参考依据。
The paper conducted a questionnaire survey on the process capability index of Chinese enterprises. The results show that the main problems existing in the application of process capability index in our country are as follows: Firstly, there are not many enterprises to calculate process capability index and the distribution is unbalanced; secondly, the credibility of process capability index is not high; Thirdly, Randomness, simply draws conclusions from the performance of the process based on the point estimates computed based on the sample data. The existence of these problems provides a perspective for the relevant research of scholars and also provides reference for enterprises, training institutions, trade associations and relevant management departments to carry out activities related to process capability index.