In performing a regression analysis involving two numerical variables, you are assuming
A) the variances of X and Y are equal.
B) the variation around the line of regression is the same for each X value.
C) that X and Y are independent.
D) all of the above

Question

Quizplus · Accepted Answer

In regression analysis, it is assumed that the variation around the regression line (homoscedasticity) is the same for each X value. This means the spread of residuals should be constant across all levels of X.

In Performing a Regression Analysis Involving Two Numerical Variables, You