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Grade 7 Math: Comparing Populations
Name
Date
1.
What does comparing two populations often use?
2.
Name two measures of center.
3.
What does variability describe?
4.
What is mean absolute deviation (MAD)?
5.
If two distributions have the same mean but different MAD, what differs?
6.
What does overlap of two distributions suggest?
7.
Why might median be preferred over mean?
8.
Data set A: 2, 4, 6. Mean?
9.
Compute mean of 5, 7, 9, 11.
10.
Compute MAD of 5, 7, 9, 11 about mean 8.
11.
Two classes have mean scores 80. Class A MAD=2, Class B MAD=12. Which is more consistent?
12.
Explain overlap in one sentence.
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