Snedecor, George Waddel,  1881- <br/><br/>
Statistical methods 
George W. Snedecor, William G. Cochran 
 - 7th ed 
 - Ames, Iowa  Iowa State University Press  c1980 
 - xvi, 507 p.  ill.  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>519.5