Assessing the "Goodness" of a Regression Line Involves Considering Several

Essay

Assessing the "goodness" of a regression line involves considering several aspects ofthe fit. Consider the characteristics below. How does each contribute to anassessment of fit?
That is, for each characteristic, what about the given characteristicwould indicate that the regression line is "good"?
a) The shape of the residual plot
b) The correlation coefficient
c) The existence of outliersd) The coefficient of determination