Multiple Choice
A study of traffic safety show a correlation of 0.57 between average speed of traffic and number of fatal accidents for a particular stretch of highway.This means that
A) speed kills.
B) as speed increases,fatalities decrease.
C) fatalities tend to increase as average speed increases.
D) every 1 mile per hour increase in average speed increases the number of traffic fatalities by .57.
Correct Answer:
Verified
Correct Answer:
Verified
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