TY - BOOK AU - Wonnacott,Thomas H. AU - Wonnacott,Ronald J. TI - Introductory statistics T2 - Wiley series in probability and mathematical statistics SN - 0471025283 U1 - 519.5 23 PY - 1972/// CY - New York PB - Wiley KW - Statistics KW - Mathematical statistics N1 - Includes bibliographical references and index ER -