Multiple Choice
What does Simpson's Paradox teach us?
A) The nature of an association can reverse direction when data from several groups are combined to form a single group.
B) Omitting a third variable can mask the true relationship between two categorical variables.
C) It is dangerous to summarize information over groups, especially if the individuals were not randomly assigned to those groups.
D) All of the above.
Correct Answer:
Verified
Correct Answer:
Verified
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