Freund, John E. <br/><br/>
Modern elementary statistics / 
John E. Freund, Gary A. Simon. 
 - 9th ed. 
 - London :  Prentice- Hall International,  c1997. 
 - 1 v. (var. pag); ill. 
<br/><br/> Includes references and index.. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics