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Railways PYQCBT 1 2016

RRB NTPC · Question 14

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%

  1. D

  2. B

  3. A

  4. C

Show answer & explanation

Answer: (B) B

Explanation

Coefficient of variation = (standard deviation ÷ mean) × 100 = 6/24 × 100 = 25%.