7大手法(ppt 42)

     品管七大手法
              老七法                                       新七法
         特性要因图                               关联图
 检查表                                        亲和图
 柏拉图                                        系统图
 直方图                                        矩阵图
 层别法                                     矩阵数据解析法
 散布图                                      PDPC法
 管制图                                       箭线图

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