Elementary statistics 
Blay, Blasilia Ebora. 
 - Revised Edition. 
 -  Anvil Publishing, Inc.  2013 
 - [iv]' 245 pages 
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<br/><br/><label>ISBN: </label>978-9-71272730-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>F 519.5 B644 2013