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In her art class, Ms. Walter has 12 students whose ages are listed below:

19, 20, 20, 20, 21, 22, 24, 24, 25, 25, 56, 60

She calculated the mean and the median of their ages. What is the relationship between these two values?

  • math - ,

    What mean and median did you find?

  • math - ,

    The mean is 28 and the median is 23???

  • math - ,

    Why do you think the mean is higher than the median?

  • math - ,

    336/12 = 28 right?

  • math - ,

    Right.

    Note that all but two students are between 19 and 25. The other students are much older. That skews the mean, but doesn't affect the median.

  • math - ,

    The answer in the book says the mean is 8 years less than the median. Please explain.

  • math - ,

    By your and my calculations, there is 5 years between the median and the mean.

  • math - ,

    Thank you! I said the mean is 5 years more than the median.

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