SNODGRASS, Joan Gay. <br/><br/>
The numbers game :  statistics for psychology / 
Joan Gay Snodgrass. 
 - Baltimore :  Williams & Wilkins,  c1977. 
 - xix, 467 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0683078151 
<br/><br/><label>Dewey Class. No.: </label>150.182