What is R square in the Multiple Regression analysis and how is it interpreted? Group of answer choices R square is the coefficient of determination and is interpreted as the proportion of variability in the DV that can be explained by the combination of the IV's R square is the correlation coefficient and is interpreted as the strength of the relationship between the IV's and the DV R square is the coefficient of determination and is interpreted as proportion of variability in the DV that can be explained by the each of the IV's independently R square is the coefficient of determination and is interpreted as the strength of the relationship between the IV's