Gravetter, Frederick J. <br/><br/>
Essentials of statistics for the behavioral sciences / Frederick J Gravetter, Larry B. Wallnau. 

 - 7th ed. 
 - Australia ; Belmont, CA : Wadsworth/Cengage Learning, c2011. 
 - xix, 634 p. : ill. ; 26 cm. 
<br/><br/>Includes bibliographical references (p. 624-627) and index. 
<br/><br/><label>ISBN: </label>9780495812203 (pbk.) 049581220X (pbk.) 
<br/><br/><label>LCCN: </label>2009932188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences -- Statistical methods