anonymous
  • anonymous
What is the mean absolute deviation for 9, 7, 6, 8, 7, and 5? 1 2 6 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Nnesha
anonymous
  • anonymous
@tkhunny hello :D
tkhunny
  • tkhunny
Have you considered calculating the mean and the subsequent absolute deviations?

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anonymous
  • anonymous
Well i came here for help to learn how.. D:
tkhunny
  • tkhunny
I do not believe you cannot calculate the mean. Go!
anonymous
  • anonymous
mean is 7
tkhunny
  • tkhunny
Perfect. Now, how far away from the mean is each of the values? We want ABSOLUTE deviation, so don't worry about direction. Just how far away from 7 is it?
anonymous
  • anonymous
2 1 2 3 4 are the numbers i got if im understanding correctly
tkhunny
  • tkhunny
I'm not sure how you managed those values. 9 - 7 = 2 ==> 2 7 - 7 = 0 ==> 0 6 - 7 = -1 ==> 1 8 - 7 = 1 ==> 1 7 - 7 = 0 ==> 0 5 - 7 = -2 ==> 2 You should get 2 0 1 1 0 2
anonymous
  • anonymous
ok and what do i do with the numbers you gave me?
tkhunny
  • tkhunny
Are you sure they are correct? What is an "Absolute Deviation"? Think on it and BE SURE!
anonymous
  • anonymous
i meant 2 0 1 1 0 2
tkhunny
  • tkhunny
So did I. Do you believe those values? If you don't believe and aren't sure where they came from, we can't move on.
anonymous
  • anonymous
they are correct.
anonymous
  • anonymous
i looked at the math its correct.
tkhunny
  • tkhunny
Calculate the mean of those values.
anonymous
  • anonymous
1
tkhunny
  • tkhunny
Review: 1) Calculate the mean of the data. 2) Calculate the deviation from the mean for each datum. This is the "Deviation". 3) Use "Absolute Value" on each deviation to create the "Absolute Deviation". 4) Find he mean of the values from #3 to create the "Mean Absolute Deviation". You should see how the very name of the calculation suggests how to calculate it. Good work.
anonymous
  • anonymous
Thank you sensei! xD
tkhunny
  • tkhunny
I hope you have accomplished your stated goal, "Well i came here for help to learn how.. D:". :-)

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