Consider the following computer output from a multiple regression analysis relating the cost of car insurance to the variables: number of car accidents, driver’s credit score, and safety rating of the car.   Coefficients Standard Error t Coefficients Stat P-value Intercept 1117   113.71   9.823   0.0000   Car Accidents (In last 3 years) 201.06   20.67   9.727   0.0000   Credit Score −122.87   13.47   −9.122   0.0000   Safety Rating −268.22   26.94   −9.956   0.0000   Does the sign of the coefficient for the variable safety rating make sense?

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Consider the following computer output from a multiple regression analysis relating the cost of car insurance to the variables: number of car accidents, driver’s credit score, and safety rating of the car.

  Coefficients Standard Error t

Coefficients

Stat P-value
Intercept 1117
  113.71
  9.823
  0.0000
 
Car Accidents
(In last 3 years)
201.06
  20.67
  9.727
  0.0000
 
Credit Score −122.87
  13.47
  −9.122
  0.0000
 
Safety Rating −268.22
  26.94
  −9.956
  0.0000
 

Does the sign of the coefficient for the variable safety rating make sense?
 
 
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