Walker, Helen M.  1891-1983 <br/><br/>
Elementary statistical methods / 
[by] Helen M. Walker [and] Joseph Lev. 
 - New York :  Henry and Holt company,  1946. 
 - xxv, 368 p. :  ill. ;  24 cm. 
 - International series in decision processes .
 - International series in decision processes .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0030811309 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>519  / WAE 1946