If all the points of a scatter diagram lie on the least squares regression line, then the coefficient of determination for these variables based on these data is
A)0
B)1
C)either 1 or -1, depending upon whether the relationship is positive or negative
D)could be any value between -1 and 1

Question

Quizplus · Accepted Answer

If all the points lie on the least squares regression line, then it means that there is a perfect linear relationship between the variables, resulting in an R-squared value of 1, indicating that all the variation in the dependent variable can be explained by the independent variable.

If All the Points of a Scatter Diagram Lie on the Least