Reyes, Carmela O. Zamora Elementary statistics : text/workbook / Carmela O. Zamora- Reyes; Lorelie B Ladao- Saren. - Mandaluyong City , Philippines : National Book Store, c2003. - 230 p. ISBN: 971-08-6377-0 Subjects--Topical Terms: Statistics. Statistics -- Problems, exercises, etc. Dewey Class. No.: Cir 519.5 R33 2009