Gupta, S.C. Kapoor, V.K. Fundamentals of mathematical statistics : a modern approach / by S.C. Gupta and V.K. Kapoor - 10th ed. - New Delhi : Sultan Chand &Sons , 2002 . - Paper Back Subjects--Topical Terms: Mesures of central tendency Arithemetic mean Median Mode Dewey Class. No.: 519.5 / GUP-F