After getting her car tuned up, Keisha notices that the car gets better miles per gallon on the daily drive to school. Is the statement an example of correlation or causation? A. Correlation, because the car is a complicated machine that has many factors affecting it B. Causation, because Keisha takes the same route to school and noticed an increase in her miles per gallon after the tune-up C. No relationship, because tune-ups on cars do not affect mileage D. More data is required to determine