Walker Helen M. <br/><br/>
Mathematics essential for elementary statistics    A self-teaching manual 
Walker Helen M. 
 - revised 
 - New York  Rinehart & Winston      1951 
 - xiii,382p  cm. 
<br/><br/><label>Standard No.: </label>9,192 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>B, J1