Elementary statistics: a step by step approach 
Blumann, Allan G. 
 - Eighth edition. 
 -  McGraw-Hill Companies, Inc.  2009 
 - xxviii, various pages 
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<br/><br/><label>ISBN: </label>978-0-07-131465-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>519.5 B658 2009