Ayushi posted an Question
July 21, 2020 • 05:53 am 30 points
  • UGC NET
  • Economics

79. which one ofthe following is correct? (1) median-mode-2/3 (mean-mode) (2) median-mode 1/4 (mean-mode) (3) median-mode-1/3 (mean-mode) (4) median-mode-3/4 (m

79. Which one ofthe following is correct? (1) Median-Mode-2/3 (Mean-Mode) (2) Median-Mode 1/4 (Mean-Mode) (3) Median-Mode-1/3 (Mean-Mode) (4) Median-Mode-3/4 (Mean-Mode)

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  • Harini best-answer

    the correct option is A the standard relation between mean, median and mode is Mean = 1/2*(3median - mode) median = 1/3 mode + 2/3 mean ------ (1) mode = 3 median - 2 mean ----------(2) median - mode = 1/3 mode + 2/3 mean - 3 median + 2 mean substitute (1) in RHS median - mode = 1/3 mode + 2/3 mean - mode - 2 mean + 2 mean median - mode = 2/3 mean - 2/3 mode = 2/3( mean - mode)

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