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The mean of a distribution is 24 and the standard deviation is 6. What is the value of variance coefficient?

A. 50%

B. 25%

C. 100%

D. 75%

This question was previously asked in
NTPC Tier I (Held On: 12 Apr 2016 Shift 2)
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  1. D
  2. B
  3. A
  4. C

Answer (Detailed Solution Below)

Option 2 : B
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Detailed Solution

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Given:

Mean of the distribution = 24

Standard deviation = 6

Concept used:

Coefficient of variance = standard deviation/mean ×  100

Calculation:

Coefficient of variance = 6/24 × 100 = 100/4

Coefficient of variance = 25%

∴ The coefficient of variance is 25%.

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