TY  - BOOK
AU  - Freund John E
TI  - Modern elementary statistics
T2  - Prentic-Hall Mathematics Series
U1  - B28, J2;K7 
PY  - 1967///
CY  - New Jersey 
PB  - Prentice-Hall         
KW  - Statistics
N1  - Bibliography at the end of each chapter
ER  -