TY  - BOOK
AU  - Walker, Helen M.
TI  - Elementary statistical methods
U1  - 001.422 21st ed.
PY  - 1943///
CY  - New York
PB  - Henry Holt
KW  - Distribution (Probability theory)
KW  - Regression analysis
KW  - Statistics
N1  - Index pp 360-68
ER  -