Porkess, Roger, <br/><br/>
Collins dictionary of statistics / 
 Statistics. 
Roger Porkess. 
 - Second editions. 
 - 316 pages :  illustrations ;  20 cm. 
<br/><br/><label>ISBN: </label>978007207909  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics--Dictionaries.