GRAVETTER, Frederick J. <br/><br/>
Statistics for the Behavioral Sciences. 

 - United States of America  Wadsworth,Cengage Learning,  2009 
<br/><br/><label>ISBN: </label>978-0-495-60294-1 
<br/><br/><label>Dewey Class. No.: </label>RES 519.5024 GRA