Gregory, Derek <br/><br/>
Statistics for business 
Derek Gregory, Harold Ward 
 - 2nd ed. 
 - London  McGraw-Hill  1974 
 - 381 p. : ill. ; 22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070942943 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>Commercial statistics