rainbow_rocks03
  • rainbow_rocks03
Will fan for best response , NO DIRECT ANSWERS. What is the mean absolute deviation for the data shown in the stem-and-leaf-plot? A. 6 B. 9.3 C. 9.7 D. 19 http://static.k12.com/calms_media/media/1417500_1418000/1417704/1/d58d9a9f14a1dfa92b58121348c4856b1d986a54/FGA_130917_261027.jpg
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
rainbow_rocks03
  • rainbow_rocks03
@tkhunny
tkhunny
  • tkhunny
It's a procedure. It's not a mystery. :-) 1) Calculate the mean. 2) Calculate the deviation from the mean for each observation. 3) Find the absolute values of the deviations. 4) Add up all the absolute deviations. 5) Divide by the number of observations. Done.
rainbow_rocks03
  • rainbow_rocks03
So my answer is D.

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rainbow_rocks03
  • rainbow_rocks03
TY @tkhunny
tkhunny
  • tkhunny
Okay. Is that correct. I didn't do it. I'm hoping you did. If you did it correctly, and you managed Choice "D", then that's awesome. Since you showed none of your work, I can't verify that.
rainbow_rocks03
  • rainbow_rocks03
Oh I will show you my work
rainbow_rocks03
  • rainbow_rocks03
@tkhunny
rainbow_rocks03
  • rainbow_rocks03
I did 2+10+16+21+27+38=114 divided by 6=19
tkhunny
  • tkhunny
Why did you just use the values? Please use the procedure shown. 1) Calculate the mean. 2) Calculate the deviation from the mean for each observation. 3) Find the absolute values of the deviations. 4) Add up all the absolute deviations. 5) Divide by the number of observations.
tkhunny
  • tkhunny
That was calculating the mean. Now do the rest.

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