R-sq is a measure of ……
A) the percentage of the accuracy of the regression equation.
B) the proportion of the variability in the response variable that is explained by the explanatory variable.
C) the initial predicted starting point of the response variable when x is zero.
D) the probability that the regression line makes a correct prediction.
E) the change in the y-variable that corresponds with the change in the x-variable.

Question

Quizplus · Accepted Answer

R-sq (R-squared) is a statistical measure that represents the proportion of the variability in the response variable that is explained by the explanatory variable. It ranges from 0 to 1, with higher values indicating a better fit of the regression line to the observed data. Therefore, option B is the correct answer. Option A, C, D, and E are incorrect as they do not accurately represent what R-sq measures.

R-Sq Is a Measure of ……