gabbyalicorn
  • gabbyalicorn
What is the MAD of the data set? {5, 12, 1, 6, 11} I got the first part which is 7 now we have to find the average which i am stuck on help!
Mathematics
jamiebookeater
  • jamiebookeater
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gabbyalicorn
  • gabbyalicorn
gabbyalicorn
  • gabbyalicorn
gabbyalicorn
  • gabbyalicorn

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jabez177
  • jabez177
Average, you just add all of them and divide by how many there are.
gabbyalicorn
  • gabbyalicorn
i did that
gabbyalicorn
  • gabbyalicorn
i got 7
tkhunny
  • tkhunny
Step #1 - Find the Average. Step #2 - Find the Absolute Deviation for each number in the data. Just, how far is it from the Mean?
gabbyalicorn
  • gabbyalicorn
but i thought the first step was to do the mean
jabez177
  • jabez177
I'm not that sure. I just got up. Tkhunny can help you on this.
Black_ninja123
  • Black_ninja123
Do you need the second step?
gabbyalicorn
  • gabbyalicorn
Okay, thanks anyway @jabez177
gabbyalicorn
  • gabbyalicorn
tkhunny
  • tkhunny
It is. Mean = Average If you want the MAD, you need step #2.
jabez177
  • jabez177
You can tag me in a different question. This is a bit too extreme for me.
gabbyalicorn
  • gabbyalicorn
kk
gabbyalicorn
  • gabbyalicorn
but i dont know the second step
Black_ninja123
  • Black_ninja123
Find the absolute value of the differences between each value in the data set and the mean.
gabbyalicorn
  • gabbyalicorn
i got 7 there is no data table or anything :(
tkhunny
  • tkhunny
Yes you do. How far does each entry deviate from the mean? |5-7| = 2 |12-7| = 5 etc... Do all 5.
Black_ninja123
  • Black_ninja123
Use these numbers {5, 12, 1, 6, 11
gabbyalicorn
  • gabbyalicorn
oh so you subtract them with one another.
Black_ninja123
  • Black_ninja123
No subtract them with 7
tkhunny
  • tkhunny
Each one with the Mean. Absolute values only.
Black_ninja123
  • Black_ninja123
5-7 12-7 1-7 6-7 11-7
gabbyalicorn
  • gabbyalicorn
1 - 7 = -6 6- 7 = -1 11 - 7 = 4
tkhunny
  • tkhunny
You seem to be missing the absolute values. This is a MAD, not just a MD.
Black_ninja123
  • Black_ninja123
change the negative sign into a positive sign
gabbyalicorn
  • gabbyalicorn
1 - 7 = 6 ,6- 7 = 1, 11 - 7 = 4
Black_ninja123
  • Black_ninja123
Correct
gabbyalicorn
  • gabbyalicorn
then...?
Black_ninja123
  • Black_ninja123
Find the mean of 2,5,6,1,4
gabbyalicorn
  • gabbyalicorn
3.6
gabbyalicorn
  • gabbyalicorn
is that the answer?
Black_ninja123
  • Black_ninja123
Yes
Black_ninja123
  • Black_ninja123
One sec
gabbyalicorn
  • gabbyalicorn
:D Oh, Yippie!!! Thank you!
gabbyalicorn
  • gabbyalicorn
While you are on AFK @Black_ninja123 ill be working on the next problem. Thanks for your help! ^u^
Black_ninja123
  • Black_ninja123
No problem If you need help just tag me
gabbyalicorn
  • gabbyalicorn
kk ty!

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