2. Questions Bank
  3. 9th Class
  4. Mathematics
  5. Statistics

9th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    If each observation of the data is decreased by 10, then their mean ________

    A) remains the same                                               

    B) becomes 10 times the original mean

    C) is increased by 10                                              

    D) is decreased by 10

    E) None of these

    Correct Answer: D

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