Moderate
Given the N values in a series, the geometric mean is______________?
Correct answer: D. The Nth root of the product of N values
- A. The third root of the product of N values
- B. The square root of the product of N values
- C. The fourth root of the product of N values
- D. The Nth root of the product of N values
Explanation
For N values, the geometric mean is the Nth root of their product: GM = (x₁x₂...xₙ)^(1/N). The root must match the number of values, not always be a square, cube or fourth root.
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