TY  - BOOK
AU  - Bradley,Jack I.
AU  - McClelland,James N.jtauthor
TI  - Basic statistical concepts: a self-instructional text 
PY  - 1978///
CY  - Glenview, Ill
PB  - Scott, Foresman
KW  - Statistics
KW  - Programmed instruction
N1  - Open access
ER  -