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10th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    The ages (in years) of a family of 6 members are 1, 5, 12, 15, 38 and 40. The standard deviation is found to be 15.9. After 10 years the standard deviation is

    A)  Increased

    B)  Decreased

    C)  Remains same  

    D)  None of these

    Correct Answer: C

    Solution :

    Not available


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