The following regression output was generated based on a sample of utility customers.The dependent variable was the dollar amount of the monthly bill and the independent variable was the size of the house in square feet. Based on this regression output,what is the 95 percent confidence interval estimate for the population regression slope coefficient?
A)Approximately -0.0003 ----- +0.0103
B)About -0.0082 ----- +0.0188
C)Approximately -32.76 ----- +32.79
D)None of the above

Question

The following regression output was generated based on a sample of utility customers.The dependent variable was the dollar amount of the monthly bill and the independent variable was the size of the house in square feet.  Based on this regression output,what is the 95 percent confidence interval estimate for the population regression slope coefficient?
A)Approximately -0.0003 ----- +0.0103 
B)About -0.0082 ----- +0.0188 
C)Approximately -32.76 ----- +32.79 
D)None of the above

Quizplus · Accepted Answer

The 95% confidence interval estimate for the population regression slope coefficient is given by the coefficients associated with the Size variable. The coefficient estimate for Size is 0.0053, and the 95% confidence interval is [-0.0082, 0.0188]. Therefore, option B is the correct answer.

The Following Regression Output Was Generated Based on a Sample