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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:

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    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

  3. anonymous
    • one year ago
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    @Michele_Laino

  4. Vocaloid
    • one year ago
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    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 = ?

  5. anonymous
    • one year ago
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    3

  6. Vocaloid
    • one year ago
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    right

  7. Michele_Laino
    • one year ago
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    yes! I agree with @Vocaloid

  8. anonymous
    • one year ago
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    so it would be 3.0

  9. Vocaloid
    • one year ago
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    right

  10. anonymous
    • one year ago
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    OK thanks!

  11. Michele_Laino
    • one year ago
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    good job! @Vocaloid

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