Multiple Choice
Before Jonas Salk discovered a vaccine to prevent polio, people noticed a correlation between outside temperature and the incidence of polio: The warmer the temperature over the course of the year, the more outbreaks of polio. This relationship is an example of a(n) __________ correlation.
A) negative
B) positive
C) bimodal
D) illusory
Correct Answer:
Verified
Correct Answer:
Verified
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