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除了用minitab软件可以计算出Z bench之外,还有没有其他的方法啊.我的书上正态分布表Z值只有到3.49的,但是客户要求Z bench必须>=4哦.该如何计算呢.
在网上看到有这两本书的介绍,不知哪位有此书的电子版能否提供一下.1. The process approach audit checklist fot manufacturing.2. TS16949: insight from a third-party auditor: with a process approach audit checklist.
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