Healey, Joseph F., <br/><br/>
Statistics :  a tool for social research / 

 - 6th ed. 
 - Belmont, CA :  Wadsworth, Thomson Learning,  c2002. 
 - xxi, 521 pages :  Illustrations ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534557856 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences - statistical methods.<br/>Statistics.
<br/><br/><label>LC Class. No.: </label>HA 29  / HEA