2. Questions Bank
  3. 10th Class
  4. Mathematics
  5. Statistics

10th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    If \[{{x}_{1}},{{x}_{2}},.....{{x}_{n}}\]are 'n' observations such that \[\sum\limits_{1}^{n}{({{x}_{i}}+3)}=120\]and \[\sum\limits_{1}^{n}{({{x}_{i}}+5)}=160\], find 'n'.

    A) 40                          

    B)        20

    C) 60                          

    D)        70

    Correct Answer: B

    Solution :

    Not Available


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