TY  - BOOK
AU  - Mccollough, Celeste,
AU  - Van Atta, Loche,
TI  - Introduction to descriptive statistics and correlation: A program for self-instruction 
AV  - HA29 M167
PY  - 1965///
CY  - New York
PB  - McGraw-Hill
KW  - Estadística
ER  -