TY  - BOOK
AU  - Singh,Chhidda
TI  - Statictics: Problems and solutions 
SN  - 8120401352
U1  - 519.5 
PY  - 1994///
CY  - New Delhi
PB  - Sultan Chand & Sons
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -