Calculate the standard error of a regression equation if the sum of squared errors of the observations is 625 and the degrees of freedom in the regression is 25.
A) 5
B) 10
C) 7.5
D) 2.5
E) 25

Question

Quizplus · Accepted Answer

The standard error of a regression equation is calculated as the square root of the sum of squared errors divided by the degrees of freedom. Here, it is sqrt(625 / 25) = sqrt(25) = 5.

Calculate the Standard Error of a Regression Equation If the Sum