Posted by **Tim** on Friday, February 15, 2008 at 4:39pm.

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 -
**Ms. Sue**, Friday, February 15, 2008 at 4:42pm
If you post your answers, we'll be glad to check them.

- Math -
**Guido**, Friday, February 15, 2008 at 4:48pm
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 -
**Tim**, Friday, February 15, 2008 at 6:46pm
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 -
**Ms. Sue**, Friday, February 15, 2008 at 6:53pm
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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