Gravetter, Frederick J. <br/><br/>
Essentials of statistics for the behavioral sciences / 
Frederick J. Gravetter, Larry B. Wallnau 
 - 7th ed. 
 -  Wadsworth Cengage Learning  2011 
<br/><br/>21138 
<br/><br/><label>ISBN: </label>9780538754965 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - Statistical methods
<br/><br/><label>LC Class. No.: </label>HA29  / Gra