math115
posted by p on .
1. find the median 4,5,6,8,11,17=6
2.find the median and the mean 95,75,76,86,96,71,68,81,95,76,69,82,93,88,94= median 81 mean 83
3. find the mean 13,15,18,18,18,19,22,26,28,33=21
4. find the median 47,25,58,28,67,66=52 1/2

1. No
2. I didn't check, you need to put them in order.
3. did you add them and divide by 10? the reason I asked is that your mean has four greater, six below. That is not a usual result.
4. Looks right, I didn't do the math. 
1. The median is the number in the middle  which in your data is between 6 and 8. Therefore that median is 7.
http://mathforum.org/library/drmath/view/57598.html
The median is wrong for 2. Please count again. I also get a different mean. 
The median is the number for which there are as many instances that are above
that number as there are instances below it. To find the median, follow these
steps:
Step 1 Rewrite the numbers in order from smallest to largest.
Step 2 Count from both ends to find the number in the middle.
Step 3 If there are two numbers in the middle, add them together and find
their mean.