TY  - BOOK
AU  - By Arora, P.N.
TI  - Comprehensive statistical methods
SN  - 9788121927765
U1  - 519.5 
PY  - 2019///
CY  - New Delhi
PB  - S Chand and Company
KW  -  Diagrammatic and
KW  - Classification and tabulation of data
KW  - Classification and tabulation of data, Diagrammatic and
ER  -