Relationships · Student exploration
Mean, Median, and Extreme Values
When does the mean stop describing a typical observation?
Page 1 of 7 · Big Picture
The big picture: Mean, Median, and Extreme Values
When does the mean stop describing a typical observation?
Why a policy analyst should care
Extreme values can pull the mean far from a typical observation, while the median remains tied to ordering; the choice determines what “center” means.
Follow the idea from the opening question to a practical decision. These are the conceptual moves this module will develop:
1 Question What does “typical” mean?
2 Explore Watch mean and median separate
3 Formalize Two centers, two definitions
4 Transfer Choose the summary before the test
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