TY  - BOOK
AU  - Healey,Joseph F.
TI  - The essentials of statistics: a tool for social research 
SN  - 0495601438
AV  - HA 29 H434e 2010
U1  - 519.50243 
PY  - 2010///
CY  - Belmont, CA
PB  - Wadsworth/Cengage Learning
KW  - Social sciences
KW  - Statistical methods
KW  - Statistics
KW  - Estadisticas
N1  - Includes index; Includes bibliographical references and index
ER  -