TY  - BOOK
AU  - Cornell,Francis G.
TI  - The essentials of educational statistics
U1  - 311.2 
PY  - 1956///
CY  - New York
PB  - John Wiley
KW  - Educational statistics
KW  - Probabilities
KW  - Correlation (Statistics)
KW  - Regression analysis
KW  - Average
N1  - Includes index
ER  -