TY  - BOOK
AU  - Christensen,Howard B.
TI  - Statistics step by step
SN  - 0395245273
AV  - QA276.12 .C57
PY  - 1977///
CY  - Atlanta
PB  - Houghton Mifflin
KW  - Introductory statistics
KW  - Statistics
ER  -