Introductory statistics 
Pagoso, Cristobal M. 
 -  Rex Printing Company, Inc.  1985 
 - iii, 391 pages. 
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<br/><br/><label>ISBN: </label>9-71230441-8 
<br/><br/><label>Dewey Class. No.: </label>F 519.5 P14i 1985