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Statistics
by Judith M. Tanur, George Casella, George W. Cobb, Roger Hoerl, Deborah Nolan, Roxy Peck, Hal Stern, Robert Macy Starbuck
Leading Holistic Improvement with Lean Six Sigma 2. 0
by Ron Snee, Roger Hoerl
Leading Six Sigma
Statistical Thinking
by Roger Hoerl, Ronald Snee
