anonymous
  • anonymous
The dot plots below show the test scores of sixth- and seventh-grade students:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
anonymous
  • anonymous
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.
anonymous
  • anonymous
@Loser66

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anonymous
  • anonymous
grade 6 right? @Loser66
Loser66
  • Loser66
why?
anonymous
  • anonymous
cause it seems to have more dots on the higher numbers
Loser66
  • Loser66
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
anonymous
  • anonymous
i get it thank u! ^_^

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