Essay
Motorcycle Fatalities
A traffic consultant has analyzed the factors that affect the number of motorcycle fatalities.She has come to the conclusion that two important variables are the number of motorcycle and the number of cars.She proposed the model (the second-order model with interaction),where y = number of annual fatalities per county,x1 = number of motorcycles registered in the county (in 10,000),and x2 = number of cars registered in the county (in 1000).The computer output (based on a random sample of 35 counties)is shown below: THE REGRESSION EQUATION IS
S = 15.2 R−Sq = 47.2% ANALYSIS OF VARIANCE
-{Motorcycle Fatalities Narrative} Test at the 1% significance level to determine if the term should be retained in the model.
Correct Answer:

Verified
H0: β3 = 0 vs.H1: β3≠ 0 Rejection ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q59: Indicator variables can assume as many values
Q60: When the dependent variable is nominal,a(n)_ regression
Q61: In regression analysis,indicator variables allow us to
Q62: A first-order model was used in regression
Q63: The model y = β<sub>0</sub> + β<sub>1</sub>x<sub>1</sub>
Q65: Senior Medical Students<br> A professor of
Q66: Senior Medical Students<br> A professor of
Q67: Color of truck is a(n)_ variable.
Q68: Silver Prices<br> An economist is in the
Q69: In stepwise regression the dependent variable must