anonymous
  • anonymous
anyone know this :( The two dot plots below show the heights of some sixth graders and some seventh graders:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anonymous
  • anonymous
The mean absolute deviation (MAD) for the first set of data is 1.2 and the MAD for the second set of data is 0.4. Approximately how many times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders? (Round all values to the tenths place.) 3.2 3.0 1.5 0.8
anonymous
  • anonymous
@Michele_Laino

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Vocaloid
  • Vocaloid
well, since MAD is a measure of variability, I presume it would be MAD of 6th graders/MAD of 7th graders = 1.2/0.4 = ?
anonymous
  • anonymous
3
Vocaloid
  • Vocaloid
right
Michele_Laino
  • Michele_Laino
yes! I agree with @Vocaloid
anonymous
  • anonymous
so it would be 3.0
Vocaloid
  • Vocaloid
right
anonymous
  • anonymous
OK thanks!
Michele_Laino
  • Michele_Laino
good job! @Vocaloid

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