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Measures of Central Tendency — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsMeasures of Central Tendency1 Mark
Question
Give three demerits of arithmetic mean.
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Answer

Demerits:
  • The arithmetic mean is highly affected by extreme values.
  • It cannot average the ratios and percentages properly.
  • It is not an appropriate average for highly skewed distributions.
  • It cannot be computed accurately if any item is missing.
  • The mean sometimes does not coincide with any of the observed value.

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