Healey, Joseph F.,  1945- <br/><br/>
The essentials of statistics :  a tool for social research / 
Joseph F. Healey. 
 - 3rd ed. 
 - Belmont, CA :  Wadsworth Cengage Learning,  2013. 
 - xxx, 447 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781111829568 (pbk.)  RM546.97 111182956X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods.<br/>Statistics.