JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2014

  • question_answer
    The standard deviation of 15 items is 6 and if each item is decreased by 1, then standard deviation will be

    A) 5                             

    B) 7           

    C) \[T\propto V\]                                 

    D) 6

    Correct Answer: D

    Solution :

                    We  know  that,   standard  deviation  is independent of change of origin. \[\text{1}{{0}^{-3}}\]Standard deviation will be remains same i.e.,6.


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