s6IE精益网.ielean6σ (MFG)s6Cp = 2.0 Z=6CPk = 1.5 Z=4.5 ppm=3.4LGITHZ Learning Center6σ-6σ1.5σ-1.5σ单元 1 : 6 sigma 简介1-1 6 Sigma 概念1-2 6 Sigma 阶段推进内容1-3 统计基本概念及理解1-4 6 Sigma