TY - BOOK AU - Ryan Thomas P AU - Ryan Thomas P TI - Statistical methods for quality improvement T2 - Wiley series in probability and statistics SN - 9780470590744 (hbk) U1 - B280bX:89Q8, Q1 TOR PY - 2011/// CY - New Jersey PB - John Wiley KW - Probability KW - Quality improvement KW - Statistical methods KW - Operational Research N1 - Include bibliographical references; Index 645-666p ER -