Gravetter, Frederick J. <br/><br/>
Essentials of statistics for the behavioral sciences / 
Frederick J. Gravetter, Larry B. Wallnau. 
 - 4th ed. 
 - Pacific Grove, CA :  Wadsworth,  2002. 
 - 1 v. (various pagings) :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes  references and index. 
<br/><br/><label>ISBN: </label>0534586171 (pbk. : alk. paper)  RM317.38 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods.