Spence, Janet T. <br/><br/>
Elementary statistics / 
Janet T. Spence [and three other]. 
 - Third edition. 
 - vi, 282 pages :  illustrations, graphs ;  24 cm. 
 - The Century psychology series. .
 - The Century psychology series. .
<br/><br/> First edition by B. J. Underwood and others. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0132601095  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.