TY  - BOOK
AU  - Walker, Helen M
AU  - 
TI  - Mathematics essential for elementary statistics: A self teaching manual
U1  - 519.2 
PY  - 1951///
CY  - New York
PB  - Holt
KW  - elemenary statistics
KW  - Mathematics
KW  - Number theory
KW  - Set theory
KW  - Group theory
KW  - Probability
KW  - Statistics
KW  - Census
KW  - Probabilities
ER  -