Healey, Joseph F.  1945- <br/><br/>
Statistics :  a tool for social research / 
Joseph F. Healey. 
 - 3rd ed. 
 - Belmont, Calif. :  Wadsworth,  c1993. 
 - xvi, 555 p. 
<br/><br/><label>ISBN: </label>0534177425 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods.<br/>Statistics.