TY  - BOOK
AU  - Freund,John E.
AU  - Perles,Benjamin M.
TI  - Statistics: a fisrt course 
SN  - 0131212060 (pbk) :
PY  - 2004///
CY  - Upper Saddle River, NJ
PB  - Pearson Education
KW  - Mathematical statistics
N1  - Includes CD-ROM
ER  -