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頁籤選單縮合
題名 | Control Charts for Lognormal Data |
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作者 | Cheng,Smiley W.; Xie,Hansheng; | 書刊名 | 淡江理工學刊 |
卷期 | 3:3 2000.11[民89.11] |
頁次 | 頁131-137 |
分類號 | 319.5 |
關鍵詞 | 對數正態分布; 控制圖; 質量控制; 平均數; 常態分布; Lognormal distribution; Control chart; Quality control; Mean; Variance; Normal distribution; |
語文 | 英文(English) |
英文摘要 | In dealing with positively-skewed distributed data, the direct logarithmic transformation may result in a control chart with inappropriate control parameters in the application of quality control. When a specific interval for the lognormal mean is given, a new method is introduced to set up two control charts and these two charts can monitor a process for which the underlying distribution of the quality characteristic is lognormal. |
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