00373nam a2200157Ia 4500008004100000020001800041035001000059082001300069100001500082245003300097250000600130260005700136300000800193500000800201650000600209210723s9999||||xx |||||||||||||| ||und||  a81-224-0119-8  a35458  a519BDAS  aDas, M. N. 0aStastical Methods & Concepts  a-  aNew DelhibNew Age International (P) Ltd. Publishers  a256  a466  a-