TY  - BOOK
AU  - Gupta,S.P.
TI  - Statistical methods: contains besides theory more than 1200 fully solved illustrations and about 1000 problems with answers 
SN  - 8170140072
U1  - 519.5 22
PY  - 1995///
CY  - New delhi
PB  - Sultan Chand
KW  - Mathematical statistics
ER  -