Healey, Joseph F. <br/><br/>
The essentials of statistics a tool for social research / 
Joseph F. Healey 
 - USA :  Thomson Wadsworth,   2007. 
 - xx, 406p. : 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780495009757 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>LC Class. No.: </label>HA29  / .H39 2007