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anonymous
 one year ago
anyone know this :(
The two dot plots below show the heights of some sixth graders and some seventh graders:
anonymous
 one year ago
anyone know this :( The two dot plots below show the heights of some sixth graders and some seventh graders:

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The 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

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.2well, since MAD is a measure of variability, I presume it would be MAD of 6th graders/MAD of 7th graders = 1.2/0.4 = ?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1yes! I agree with @Vocaloid

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1good job! @Vocaloid
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