EPPP Research and Statistics Exam/ Questions with 100% Correct Answers/ Graded A+

R squared is the: a. coefficient of multiple determination b. coefficient of stability c. coefficient of internal consistency d. silver character on "Star Wars" - Answer a. coefficient of multiple determination When data points are widely scattered around a regression line, this indicates: a. low homoscedasticity b. low correlation coefficient c. low heteroscedasticity d. high heteroscedasticity - Answer b. low correlation coefficient Heteroscedasticity - Answer The scatter is uneven (unequal) at different points on the regression line. For example, there might be high variability around the regression line at low X (predictor) values and low variability around the line at high X values. It is different amounts of scatter, but not high scatter