Johnson, Robert R. <br/><br/>
Elementary statistics / 
Robert R. Johnson. 
 - 2nd ed. 
 - North Scituate, Mass. :  Duxbury Press,  c1976. 
 - various pages :  illustrations ;  25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0878721029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>310 JOH