Ott, Lyman. <br/><br/>
Understanding statistics / 
Lyman Ott, William Mendenhall. 
 - 4th ed. 
 - Boston :  Duxbury Press,   c1985. 
 - ix, 493 p. :  ill. ;   24 cm. 
<br/><br/>Includes bibliographical references p. (A68-A69) and index 
<br/><br/><label>ISBN: </label>0871508559 
<br/><br/><label>LCCN: </label>84-018709 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>519.5