Freund, John E. <br/><br/>
Elementary business statistics :  the modern approach / 
John E. Freund, Frank J. Williams, Benjamin M. Perles. 
 - 6th ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  1993. 
 - xviii, 953 p. :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 938-945) and index. 
<br/><br/><label>ISBN: </label>0132529580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics.