Consider the same result: for a grouped frequency distribution, the empirical relation among mean, median and mode is
○ Mode = Mean + Median
○ Mean = 3 Mode - 2 Median
○ Mode = 2 Mean - 3 Median
Mode = 3 Median - 2 Mean
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The empirical relation used in the chapter is Mode = 3 Median - 2 Mean. — Examisthan.com