Tag: AM GM HM Inequality
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Elementary Statistics for UPSC EPFO APFC & RBI Grade B: Measures of Central Tendency (AM, GM, HM, Median, Mode), Dispersion (SD, Variance, CV), Skewness & Probability
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Elementary Statistics is an explicit, ultra-scoring syllabus component in UPSC EPFO APFC (contributing 6 to 10 direct numerical and formula MCQs). Every aspirant must memorize: (1) Relationship between Arithmetic Mean (AM), Geometric Mean (GM), and Harmonic Mean (HM): AM >= GM >= HM (equality holds iff all observations are identical) and GM^2 = AM x…
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