TY  - BOOK
AU  - Butsch, R.L.C.
TI  - How to read statistics
U1  - 519.53 21st ed.
PY  - 1949///
CY  - Milwaukee: 
PB  - The Bruce , 
KW  - Mathematical statistics
KW  - Statistical method
N1  - Index: p 183-4
ER  -