Volume 4 • Number 3
- STATISTICS
Leptokurtosiphobia: Irrational Fear of Non-Normality (PDF, 92 KB)
It doesn’t pay to worry about the non-normal distribution of residuals.
John Sall, SAS Institute, and Bradley Jones, JMP Development
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STATISTICS
Capability Indexes: Mystery Solved (PDF, 202 KB) Open Access
The misuse, misunderstanding and abuse of indexes is a risky trend.
Gregory Roth II, Electrolux
- CASE STUDY
Use What You Have (PDF, 96 KB)
A network design model can uncover supply chain savings opportunities.
Erick C. Jones and Josephine A. Hain, University of Nebraska-Lincoln
- DMAIC
DMAIC Failure Modes (PDF, 143 KB)
Don’t waste DMAIC’s usefulness on the wrong problems.
Neil Nilakantasrinivasan, Master Black Belt, and Arun Nair, Black Belt
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