Healey, Joseph F.,  1945- <br/><br/>
Statistics :  a tool for social research / 
Joseph F. Healey 
 - 5th ed. 
 - Belmont, Calif. :  Wadsworth Publishing Company,  1999 
 - xviii, 540 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0534552609  RM301.30 
<br/><br/><label>LCCN: </label>98-020186 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods