TY  - BOOK
AU  - Richards,Larry E.
AU  - 
TI  - Business statistics: why and when 
SN  - 0070522731
PY  - 1978///
CY  - New York
PB  - McGraw-Hill
KW  - Statistics
KW  - Business
KW  - Statistical methods
N1  - p. 411-412
ER  -