(Solved): 13. For the following set of 5 data points for two variables, what is the correlation coefficient? ...

13. For the following set of 5 data points for two variables, what is the correlation coefficient? [ a. \( -0.780 \) E b. \( -0.918 \) [ c. \( +0.859 \) E d. \( -0.975 \) 14. The equation of a regression line is shown below. \[ y \text {-hat }=2.10-0.21 x \] When \( x=-3 \) and \( y=-6 \), what is the residual? E a. \( -2.73 \) E b. \( -8.73 \) E c. \( +3.36 \) C d. \( +2.73 \)