Newbold, Paul. <br/><br/>
Statistics for business & economics. 

 - 4th ed. 
 - New Jersey :  Prentice-Hall,  1995. 
 - xii, 863 p.  25 cm. 
<br/><br/><label>ISBN: </label>9780131815957 
<br/><br/><label>Dewey Class. No.: </label>519.5 NEW