TY - BOOK AU - Freund,John E. AU - Walpole,Ronald E. TI - Mathematical statistics SN - 0-13-562117-8 U1 - 519.5 19 PY - 1987/// CY - London PB - Prentice-Hall International KW - Mathematical statistics KW - Estadística matemática N1 - Includes bibliographies and index ER -