Question: Researchers developed a safety performance function(SPF), which estimates the probability of occurrence of a crash for a given segment of roadway. Using data on over
Researchers developed a safety performance function(SPF), which estimates the probability of occurrence of a crash for a given segment of roadway. Using data on over 100 segments ofroadway, they fit the model Upper E left parenthesis y right parenthesis equals beta 0 plus beta 1 x

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