IGNOU BECS 184 2025 2026 - Coefficient of variation

Question

Coefficient of variation

17 Jul 2025

Answer :

Word Count : 334

The coefficient of variation (CV) is a standardized measure of dispersion of a probability distribution or data set. It is expressed as the ratio of the standard deviation (σ) to the mean (μ), usually presented as a percentage. Mathematically, it is given as: CV = (Standard Deviation / Mean) × 100 This metric is particularly useful in data analysis when comparing the degree of variation between datasets with different units or widely different means. Since it is

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