Healey, Joseph F. <br/><br/>
Statistics:   a tool for social research/ 
Joseph H. Healey. 
 - 8th ed. 
 - Australia:  Wadsworth Cengage Learning,  c2009. 
 - 512 p.:  ill.;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>978-0-495-09655-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>Social sciences--Statistical methods.
<br/><br/><label>Dewey Class. No.: </label>GC 519.5 H434 2009