孔祥芬, 何桢, 建国, 慧斌. 不同标准差估计方法下的过程能力指数的置信区间的比较研究[J]. 应用概率统计, 2009, 25(2): 164-170.
引用本文: 孔祥芬, 何桢, 建国, 慧斌. 不同标准差估计方法下的过程能力指数的置信区间的比较研究[J]. 应用概率统计, 2009, 25(2): 164-170.
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Kong Xiangfen, He Zhen, Che Jianguo, Jin Huibin. A Comparativen Study on Confidence Interval of $C_p$ in Terms of Standard Deviation Estimated[J]. Chinese Journal of Applied Probability and Statistics, 2009, 25(2): 164-170.
Citation: Kong Xiangfen, He Zhen, Che Jianguo, Jin Huibin. A Comparativen Study on Confidence Interval of $C_p$ in Terms of Standard Deviation Estimated[J]. Chinese Journal of Applied Probability and Statistics, 2009, 25(2): 164-170.
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不同标准差估计方法下的过程能力指数的置信区间的比较研究

A Comparativen Study on Confidence Interval of C_p in Terms of Standard Deviation Estimated

    摘要
  • 摘要: 采用样本标准差s、s/c_4、\olR/d_2以及MVA分析后的\wh\sigma_\textTOTAL分别估计总体标准差,介绍了相应的\whC_p和\whC_pk以及C_p的置信区间,分析了每种标准差估计方法的特点, 结合案例进行比较研究.

     

    Abstract: The estimator of population standard deviationcan be represented by sample standard deviation s, s/c_4, \olR/d_2 and \wh\sigma_\textTOTAL based on MVA, espectively. This paper presents the estimation of C_p and C_pk as well as the confidence interval of C_p using different estimation methods of population standard deviation. Further, each estimation method is analyzed in an example.

     

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