Freud, John E.,  BNjogu. <br/><br/>
Modern elementary statistics / 
John E. Freud. 
 - 7th ed. 
 - New Jersey :  Prentice-Hall,  c1988. 
 - 574 p. 
<br/><br/><label>ISBN: </label>0135935679 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>LC Class. No.: </label>QA 276.12  / .F738