When constructing a confidence interval about the mean response of y in a linear regression, the t-distribution is used with_____________degrees of freedom.
A) n + k - 2
B) + -2
C) n - 1
D) n - 2

Question

When constructing a confidence interval about the mean response of y in a linear regression, the t-distribution is used with_____________degrees of freedom.
A) n + k - 2 
B) + -2 
C) n - 1 
D) n - 2

Quizplus · Accepted Answer

The Answer of When constructing a confidence interval about the mean response of y in a linear regression, the t-distribution is used with_____________degrees of freedom.
A) n + k - 2 
B) + -2 
C) n - 1 
D) n - 2

When Constructing a Confidence Interval About the Mean Response of Y