The dot plots below show the test scores of sixth- and seventh-grade students:
based on visua...
Mathematics, 13.01.2020 00:31 yes1225
The dot plots below show the test scores of sixth- and seventh-grade students:
based on visual inspection of the dot plots, which grade, if any, appears to have the higher mean score?
a grade 6
b grade 7
c both groups show about the same mean score.
d no conclusion about mean score can be made from the data.
Answers: 2
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