Math

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The following scores were recorded on a 200-point final examination:193,185,163,186,192,135,158,174,188,172,168,183,195,165,183.

Find the final examination score.
Find the median final examination score.
Is the mean or median a more useful representative of the final examination scores?

  • Math -

    If you post your answers, we'll be glad to check them.

  • Math -

    Ms. Sue knows that Tim = babygirl, right?

  • Math -

    Yep. :-)

    By the way, Guido, I'm a retired English and social studies teacher and know enough math to help elementary and some middle school students.

  • Math -

    Hi Guido,

    For your information I am Tim. Not a Babygirl

  • Math -

    Tim,

    You have the same question as babygirl.

    Does Tim = babygirl and vice-versa?

    To find the final exam score, add all the scores and then divide by the number of scores listed, which is 15.

    ==============================

    Median is the middle value of a given list of numbers.

    How do we find the median?

    1-Put the numbers given in order from least to greatest.

    2-If the list of numbers given is ODD, the median will be the middle number of the list.

    3-If the list of numbers given is EVEN, we add the two middle numbers and then divide by 2.

    Try it and then write back.

  • Math -

    176 is the mean
    183 is the median. Not sure If the mean or median is more useful representative of the final examination scores

  • Math -

    Yes, you have the right mean and median. Usually we use the mean as representative of exam scores. That number takes into account the highest and lowest scores.

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