TY  - BOOK
AU  - Bradley,Jack I.
TI  - Basic Statistical Concepts: a self-instructional text 
SN  - 0673150755 (pbk) :
PY  - 1978///
CY  - Glenview, Illinois
PB  - Scott, Foresman and Company
KW  - Statistics
KW  - programmed instruction
ER  -