NCERT · Class 11 · Mathematics · StatisticsWhat is the coefficient of variation if the standard deviation is 5 and the mean is 20?
Step-by-Step Solution
The coefficient of variation (CV) is given by the formula CV = (Standard Deviation / Mean) * 100. Substituting the values, CV = (5 / 20) * 100 = (1/4) * 100 = 25%.
Detailed Options Breakdown
Option : 10%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
Option 1: 15%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
Option 2: 25% (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: 50%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
💡 Study Guide: This question tests core syllabus concepts from Statistics. For formulas, key summaries, and mock exam reference guides, read the full Statistics Revision Notes.