Wright, R. L. D. (Robert Leslie Douglas), 1932- <br/><br/>
Understanding statistics  an informal introduction for the behavioral sciences 
R. L. D. Wright 
 - New York  Harcourt Brace Jovanovich  1976 
 - (xii),500p. :  ill. ;  24cm 
<br/><br/><label>ISBN: </label>0155928775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics