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anonymous

  • one year ago

The dot plots below show the test scores of sixth- and seventh-grade students:

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    Based on visual inspection of the dot plots, which grade, if any, appears to have the higher mean score? Grade 6 Grade 7 Both groups show about the same mean score. No conclusion about mean score can be made from the data.

  3. anonymous
    • one year ago
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    @Loser66

  4. anonymous
    • one year ago
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    grade 6 right? @Loser66

  5. Loser66
    • one year ago
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    why?

  6. anonymous
    • one year ago
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    cause it seems to have more dots on the higher numbers

  7. Loser66
    • one year ago
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    grade 6 is correct but the reason is not. grade6 starts from 70 and ends at 100, while grade7 starts from 50 and ends at 80 That is the reason why the mean of grade6 is higher than grade7

  8. anonymous
    • one year ago
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    i get it thank u! ^_^

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spraguer (Moderator)
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