Mathematics · Statistics
Consider three averages calculated from the same dataset containing positive observations: Arithmetic Mean (A), Geometric Mean (G), and Harmonic Mean (H). Which of the following inequalities is always TRUE?
- 1H > A > G for heterogeneous data
- 2A = G = H only if the dataset is skewed
- 3A ≥ G ≥ H, with equality only when all observations are equal✓
- 4A < G < H
Correct answer
A ≥ G ≥ H, with equality only when all observations are equal
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