When estimating a regression line,a high R2‚ tells us we have
A)a good fit.
B)large residuals.
C)correctly determined the direction of causation.
D)all of the above
E)none of the above

Question

Quizplus · Accepted Answer

A high R2 value indicates that a large proportion of the variance in the dependent variable is explained by the independent variable(s), which implies a good fit between the regression line and the data. A low R2 value would suggest a poor fit. Large residuals and correctly determined direction of causation are not necessarily indicated by R2 alone.

When Estimating a Regression Line,a High R2‚ Tells Us We