TY  - BOOK
AU  - McCollough Celeste
AU  - Loche Van Atta
TI  - Introduction to descriptive statistics and correlation: a program for self instruction
U1  - 371.3 
PY  - 1965///
CY  - London
PB  - McGraw-Hill
KW  - Correlation
KW  - Descriptive statistics
KW  - Teaching-methods
ER  -