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Comparing Two Data Sets by Center and Spread
Worksheet
Grade Level
Grade 7
7.131 Comparing Two Data Sets by Center and Spread
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The value 80 in Group 8 is an outlier. If you remove it, which group has the higher mean?
A
Do not remove anything. Group 8 has the higher mean (26.2 vs 19.3).
B
After removing 80 from Group 8, Gray Panthers has the higher mean (19.3 vs 18.6).
C
Use the median instead. Gray Panthers has the higher median.
D
After removing 80 from Group 8, Group 8 has the higher mean (19.3 vs 18.6).
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