Elementary statistics 
Triola, Mario F. 
 - Fifth Edition. 
 -  Addison-Wesley Publishing Company.  1992 
 - xxi, 730 pages. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>GS 519.5 T73e 1992