TY  - BOOK
AU  - Onyango, John P.
AU  - A.M Plews
TI  - A textbook of basic statistics 
SN  - 9966463518
AV  - HA29 O69 1987
PY  - 1987///
CY  - Nairobi
PB  - East Africa Educational publishers
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -