Healey, Joseph F.,  1945- <br/><br/>
Statistics :  a tool for social research / 
Joseph F. Healey 
 - 6th ed. 
 - Belmont, CA :  Wadsworth/Thomson Learning,  2002 
 - xxi, 521 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0534557856  RM373.66 
<br/><br/><label>LCCN: </label>2001-017976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods<br/>Statistics