A linear regression equation is calculated for a sample of n = 20 pairs of X and Y values.What would be the df value for the standard error of estimate?
A)1
B)2
C)18
D)19

Question

A linear regression equation is calculated for a sample of n = 20 pairs of X and Y values.What would be the df value for the standard error of estimate?​
A)1​
B)​2
C)​18
D)​19

Quizplus · Accepted Answer

The degrees of freedom (df) for the standard error of estimate in a linear regression is calculated as n - 2, where n is the number of pairs. For n = 20, df = 20 - 2 = 18.

A Linear Regression Equation Is Calculated for a Sample of N