TY  - BOOK
AU  -  Stockton,John Robert
TI  -  Introduction to business and economic statistics 
U1  -  311.2 
PY  - 1966///]
CY  -  Cincinnati, 
PB  -  South-western Pub. Co. 
KW  -  Statistics
N1  -  Includes bibliographical references ( p. 79-82)
ER  -