Same chapter3 marksDifficulty: Medium
Find the standard deviation of the first five natural numbers.
Statistics
3 marksDifficulty: Medium
The mean of a set of observations is 20 and the standard deviation 5. Find the coefficient of variation.
Original Khojo Papers practice question — not from a past board paper.
Answer
25%
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The coefficient of variation is the standard deviation divided by the mean, expressed as a percentage: 5 ÷ 20 × 100 = 25%.
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