In a simple linear regression model, if the points on a scatter diagram lie on a straight line with a negative slope, which of the following is the coefficient of determination?
A) −1
B) 0
C) +1
D) Infinity

Question

Quizplus · Accepted Answer

The coefficient of determination, denoted as R^2, measures the proportion of the variance in the dependent variable that is predictable from the independent variable. It ranges from 0 to 1. A perfect linear relationship, whether with a positive or negative slope, results in an R^2 of +1, indicating that 100% of the variance in the dependent variable is explained by the independent variable.

In a Simple Linear Regression Model, If the Points on a Scatter