TY  - BOOK
AU  - Ferguson, George Andrew.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0070204829 (newsprint)
SN  - 2
PY  - 1981///];copyright 198146
CY  - New York
PB  - McGraw-Hill
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Statistics.;Psychometrics.;Educational statistics
N1  - Includes index.;BCL; Bibliography: p. [514]-517; 5
ER  -