9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x ? 8 and x + 6 respectively. If their mean is 4 then the value of x is

    A) 5                                 

    B) 6

    C) 7     

    D) 8

    Correct Answer: C

    Solution :

    7                     


You need to login to perform this action.
You will be redirected in 3 sec spinner