Gravetter, Frederick J. <br/><br/>
Essentials of statistics for the behavioral sciences / 
Frederick J. Gravetter, Larry B. Wallnau. 
 - 8th ed., int'l ed. 
 - Belmont, Calif. :  Wadsworth Cengage Learning,  2014. 
 - xvi, 631 p. :  ill. (some col.) ;  26 cm. 
<br/><br/>Includes bibliographical references (p. 619-623) and index. 
<br/><br/><label>ISBN: </label>9781285051246 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods