TY  - BOOK
AU  - Johnson,Robert R., x
AU  - x
TI  - Study guide with self-correcting exercises for elementary statistics: x
SN  - x
U1  - 310/J66s 
PY  - 1976///
CY  - North Scituate
PB  - Duxbury Press
KW  - Statistics
N1  - x
ER  -