Measure of Dispersion Free from Units
Which measure of dispersion is free from units (dimensionless)?
- Range
- Variance
- Standard deviation
- Coefficient of variance — Correct Answer
Explanation:
Correct Answer: Coefficient of variance (CV)
The Coefficient of Variance (CV) is a relative measure of dispersion that is free from units (dimensionless). Formula: CV = (SD / AM) × 100, where AM = Arithmetic Mean. It is expressed as a percentage.
Relative vs Absolute Measures of Dispersion
| Category | Measures |
|---|---|
| Absolute measures (have units) | Range, Mean Deviation, Standard Deviation, Variance |
| Relative measures (unit-free) | Coefficient of Variance (CV), Standard Error (SE) |
CV is particularly useful for comparing variability between datasets with different units or different means.
📚 About this Topic — Animal Genetics & Breeding
This multiple choice question is from Animal Genetics & Breeding, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Genetics & Breeding to strengthen your preparation.
