A department of transportation's study on driving speed and miles per gallon for midsize automobiles resulted in the following data. 40 | 55 30 26 | 24 29 Compute the sample correlation coefficient. (Round your answer to two decimal places.) -62 | % Speed (Miles per Hour) Miles per Gallon Interpret the sample correlation coefficient. There is a strong negative & . relationship between the driving speed and miles per gallon. For driving speed between 25 and 60 miles per hour, higher speeds are associated with lower miles per gallon