Witte, Robert S  . <br/><br/>
Statistics /  
by Robert S Witte and John S Witte. 
 - 6th ed /  
 - Philadelphia :   Harcourt College Publishers ,   2001 
 - xxi, 565p ;  
<br/><br/><label>ISBN: </label>0-15-507157-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>B28  / P1