SixSigmaisaprocessthathelpscompaniesfocusondevelopingan...
问题详情：SixSigmaisaprocessthathelpscompaniesfocusondevelopinganddeliveringnear-perfectproductsandservices．Theword“sigma”isastatisticaltermthatmeasureshowfaragivenprocessfallsshortofperfection．Thecentr...