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Answer Key
Grade 7 Math: Comparing Populations
1.
measures of center and variability
2.
mean and median (also mode)
3.
how spread out the data are
4.
average of absolute differences from the mean
5.
spread/variability
6.
many values could come from either group
7.
resists extreme outliers better
8.
4
9.
8
10.
2
11.
Class A
12.
shared value region where both groups have data
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