UNL Six Sigma Certification

The sigma in Six Sigma refers to the Greek symbols, which designates a standard deviation in statistics. The six refers to the number of standard deviations from a mean specifications should be.
From the early days of improving the robustness of design at Motorola. Six Sigma has morphed into an organization-wide program for improvement involving hierarchical training, organizational learning, and pay for learning.
Six Sigma is an advanced quality improvement approach designed to tackle most quality problems.