____________ is used to criterion of consistency i.e for consistence performance?
Correct answer: C. Coefficient of Variation
- A. Range
- B. Standard Deviation
- C. Coefficient of Variation
- D. Mean Deviation
Explanation
The coefficient of variation, CV = standard deviation/mean × 100, compares relative variability and is therefore used to judge consistency. A smaller CV indicates more consistent performance, even when means differ.
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