8. What is the statistical symbol for the slope of the regression line?. For this problem, its value is Use a completa sentence to write an interpretation of the slope in context of the problem: 9. What is the statistical symbol for the y-intercept of the regression line?. For this problem, its value is Use a complete sentence to write an interpretation of the y-intercept in context of the problem. 10. What is the symbol for the correlation coefficient of the regression line? For this problem, its Use a complete sentence to write an interpretation of the correlation coefficient in context of the problem. value is For this problem, 11. What is the symbol for the coefficient of determination of the regression line? its value is Use a complete sentence to write an interpretation of the coefficient of determination in context of the problem. 12. Use your calculator to create a residual plot of the data. Sketch it below. Then, describe what you see in complete sentences. Is a line a best fit for the data?