TY  - BOOK
AU  - P.N. Arora, 
TI  - Comprehensive statistical methods
SN  - 8121927765
AV  - QA276 .Ar1
PY  - 2007///
CY  - New Delhi : ,.
PB  - S. Chand & Co.
KW  - Statistics
N1  - Includes tables, graphs and logarithms tables; 1. Statistics: definition, scope and distrust
2. Classification and tabulation of data
3. Diagrammatic and graphic presentation of data
4. Measures of central tendency or average
5. Measures of dispersion
ER  -