TY  - BOOK
AU  - Walker, Helen M
TI  - Mathematics Essential For Elemntary Statistics
U1  - 519.5 
PY  - 1934///
CY  - New Delhi
PB  - OXFORD & IBH PUBLISHING CO.
KW  - General Stack
KW  - Statistics
KW  - Probabilities & applied mathematicsMathematics
KW  - Generalia
ER  -