Gravetter, Frederick J. <br/><br/>
Essentials of statistics for the behavioral sciences / 
 Essentials of statistics 
Frederick J. Gravetter, Larry B. Wallnau. 
 - 3rd ed. 
 - Pacific Grove :  Brooks/Cole,  c1999. 
 - xx, 458, 66 p. :  col. ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534357806 (pbk.)  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods.