TY  - BOOK
AU  - Erickson,Bonnie H
AU  - Nosanchuk,T.A.
TI  - Understanding data
SN  - 0335002528
PY  - 1979///
CY  - Milton Keynes
PB  - The Open University Press
KW  - Statistics
KW  - Social sciences
KW  - Statistical methods
N1  - Includes indexes; p. 383-384
ER  -