TY  - BOOK
AU  - Falk,Ruma
AU  - Falk,Raphael
TI  - Understanding probability and statistics: A book of problems 
SN  - 1-56881-071-7
PY  - 1993///
CY  - Wallesley
PB  - A K Peters
KW  - Mathematical statistics
KW  - Problems, exercises
N1  - Index pp. 233- 239
ER  -