If a regression equation has only one explanatory variable, say x₁, its standardized coefficient must lie in the range: A)-2 to 0. B)-1 to 1. C)0 to 1. D)0 to 2.

Question

Quizplus · Accepted Answer

The standardized coefficient for a single explanatory variable regression equation represents the correlation coefficient between the explanatory variable and the response variable. Therefore, its value can range from -1 to 1, indicating a negative or positive correlation, respectively.

If a Regression Equation Has Only One Explanatory Variable, Say