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Railways PYQCBT 2 2017

RRB NTPC · Question 71

If the Standard deviation of a distribution is 6, what is the value of its variance?

  1. 8

  2. 24

  3. 36

  4. 12

Show answer & explanation

Answer: (C) 36

Explanation

Variance is the square of the standard deviation: 6² = 36.