Six Sigma ______

Multiple Choice

Six sigma ______.

A) requires that ±3σ (a total width of 6σ) of the product be within specification
B) requires that 99.5% of the product be within specification
C) contains a formalized problem-solving approach called Bayesian approach
D) contains a formalized problem-solving called the DMAIC process
E) involves training only production upper- and middle-level managers