Lewis, D. G.  <br/><br/>
Statistical methods in education /  
[by] D.G. Lewis. 
 - London :    University of London Press,    [1967]. 
 - 199 p. :    ill., tab, diagrs. ;    23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Educational statistics.
<br/><br/><label>Dewey Class. No.: </label>311 LEW