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Six Sigma
Originally developed by Motorola in 1986, Six Sigma is quality management method that helps organizations to improve the capability of their business processes. This increase in performance and decrease in process variation lead to defect reduction and improvement in profits, employee morale and quality of products or services.
Industry: Quality management
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Six Sigma
審計
Quality management; Six Sigma
現場核查活動,如檢查或檢驗,一個進程或品質系統,以確保法規遵從性要求。審計可以適用于整個組織或可能是特定的函數、 過程或生產的一個步驟。 ...
秩次曼-惠特尼測試
Quality management; Six Sigma
用於測試兩個種群有相同的分佈函數對另一種假設只在位置 (中位數),不同的兩個分佈函數如果在所有的空值假設。它不要求兩個樣本之間的差異正態分佈的假設。在很多應用程式,則使用它代替雙樣本 t-檢驗時正態性假設是值得懷疑。當樣本中觀測資料的行列,這就是,序號的資料,而不是直接測量,也可以應用此測試。 ...