Use the following information for problems 26 through 29. R&D engineers for a car manufacturer wanted to test the relationship between a cars speed x [mph] and its gas mileage y (mpg) using regular unleaded gas. The car was driven at different speeds in controlled conditions and the following gas miieage was observed. Speed, x 30 4O 5O 60 70 80 mpg, y 39 38 36 32 27 24 26) What kind of relationship is suggested by a scatter plot for the data above? a. Nonlinear b. Parabolic c. Normal 27) What is the correlation coefcient indicated by the relationship? a. 17544? b. 0.985349 c. {3.985349 90 22 d. Linear d. 0.3142857 Page | 5