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NDA2013MathematicsStatisticsActual

The standard deviation of the observations 5,5,5,5 , 5 is

Options

  1. A0
  2. B5
  3. C20
  4. D25

Correct answer

A. 0

Step-by-step solution

aligned & x=5 & ^2= _ i=1 ^5 (x₁- x )^2 ~N =0 aligned

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