TY  - BOOK
AU  - Hays,William L.
TI  - Basic statistics
T2  - Basic concepts in psychology series
U1  - 519.5 23
PY  - 1967///
CY  - California
PB  - Brooks Cole Pub. Co
KW  - Statistics
N1  - Issued with various printing dates; Bibliography: p. 115
ER  -