@inbook{1150320605, author={Jay Arthur}, title={Statistical Tools for Lean Six Sigma}, booktitle={Lean Six Sigma for Hospitals: Improving Patient Safety, Patient Flow and the Bottom Line, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accessmedicine.mhmedical.com/content.aspx?aid=1150320605} }