TY  - BOOK
AU  - McCollough,Celeste
AU  - Atta,Loche Van
TI  - Statistical concepts: a program for self-instruction 
U1  - 311.07 
PY  - 1963///
CY  - New York
PB  - McGraw-Hill
KW  - Statistics
KW  - Sampling (Statistics)
KW  - Frequency curves
N1  - Includes index
ER  -