Walker, Helen M  <br/><br/>
Elementary statistical methods 

 - New York:   Holt Rinehart and Winston, Inc.,  1958 
 - xvi, 302p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistical 
<br/><br/><label>Universal Decimal Class. No.: </label>311  / WAL