Walker, Helen M.  1891-1983. <br/><br/>
Statistical inference / 
[by] Helen M. Walker [and] Joseph Lev. 
 - New York :  Holt,  c1953 
 - 510 p. :  illus. ;  25 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics.<br/>Population--Statistics.
<br/><br/><label>Dewey Class. No.: </label>519.54  / WAS 1953