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The mean of a distribution is 13 and the standard deviation is 7. What is the value of the coefficient of variation?

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NTPC Tier I  (Held On: 19 Apr 2016 Shift 1)
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  1. 50%
  2. 76.77%
  3. 53.85%
  4. 38.88%

Answer (Detailed Solution Below)

Option 3 : 53.85%
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Detailed Solution

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Value of coefficient of variation = Standard deviation/Mean = 7/13 = 0.53846 ≈ 0.5385

∴ Size of coefficient of variation = Coefficient of variation × 100 = 53.85%
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