Question 10 of 10 4.0 Points Which of the following statements is incorrect? . O A. The coefficient of correlation r can never be negative. O B. If r=0.64 then r2=0.4096. . O C. r indicates the strength and the direction of the relationship between X and Y variables. . O D. The coefficient of determination is defined as r2. . O E. If r2=0.70, it implies that 70% of the variation in Y is explained by the regression line. Reset Selection