Freund, John E <br/><br/>
Modern elementary statistics / 
John E. Freund 
 - 4th ed. 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1973 
 - 532 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics