A Measure of How Well an Estimated Regression Line Fits

Multiple Choice

A measure of how well an estimated regression line fits the sample data on which it is based, denoted by (and equal to the proportion of the total variation in the values of the dependent variable, y, that can be explained by the association of y with x as measured by the estimated regression line) is known as:

A) the sample coefficient of variation
B) the sample of coefficient of correlation
C) the sample coefficient of determination
D) the sample coefficient of non-determination
E) none of these