Math Statistics

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A sample has a mean of M = 25. If one person with a score of X = 25 is added to the sample, what effect will it have on the sample mean?

  • Math Statistics -

    Nothing.

  • Math Statistics -

    @ Ms. Sue, your answer is nothing? can you explain why the effect is nothing? I'm not understanding.

  • Math Statistics -

    The new person's score is the same as the mean; therefore the mean will not be affected.

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