Homework Help: math

Posted by Christi on Sunday, June 3, 2007 at 12:41am.

I am looking for the median, I believe it is 39 am I correct?
26, 30, 38, 67, 59, 21, 17, 85, 22, 22

First line up all the numbers in order from smallest to biggest.

17 21 22 22 26 30 38 59 67 85

Next cross off one number from the left and then one from the right until you get to the middle.

17 21 22 22 26 30 38 59 67 85
21 22 22 26 30 38 59 67
22 22 26 30 38 59
22 26 30 38
26 30

So 26 and 30 are the two numbers in the middle. But you want to find the median, so you need to find the number in the middle of 26 and 30. To do that you will need to average those two numbers.

To find the average, add 26 and 30 and them divide by the number of numbers (2 in this case).

(26+30)/2

Your answer should come out to 28.

Median=28

Thanks so much, I forgot to place them smallest to largest.

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