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9th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    The following observations are arranged in ascending order: 36, 39, 45, 48, x, x + 4, 57, 62, 65, 68 If the median is 54, then the mean of the observations is

    A) 52.8          

    B) 50.6

    C) 51.8                                                     

    D) 531.8

    E) None of these

    Correct Answer: A

    Solution :

    Not Available                                      


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