statistics : a new approach / 
Wallis, W. Allen 
 - Illinois :  The free press,  c1956 
 - xxxviii,646p.:  ill.;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>519.5 WAL