F.J Gravetter, <br/><br/>
Statistics for the behavioral sciences  : a first cource for students of psychology and education 

 - 3rd ed. 
 - NewYork,  :West Publishing Company,  1992. 
 - xiv,632p.  :ills.  ;25cm. 
<br/><br/>Includes bibliographical refernces and index 
<br/><br/><label>ISBN: </label>0-314-90876-5 
<br/><br/><label>LC Class. No.: </label>BF39.G72