Walker, Helen M. <br/><br/>
Elementary statistical methods /  
Helen M. Walker y Joseph Lev. 
 - 3rd 
 - New York :   Holt, Rinehart and Winston,   1969 
 - 432 p. 
 - International Series In Decision Processes .
<br/><br/><label>Subjects--Topical Terms: </label><br/>STATISTICS<br/>ESTADISTICA
<br/><br/><label>Universal Decimal Class. No.: </label>519.22 W152