SixSigmaisaprocessthathelpscompaniesfocusondevelopingan...
問題詳情：SixSigmaisaprocessthathelpscompaniesfocusondevelopinganddeliveringnear-perfectproductsandservices．Theword“sigma”isastatisticaltermthatmeasureshowfaragivenprocessfallsshortofperfection．Thecentr...