The owner of a fitness center conducted a survey using 20 people at the center, selected at random. Each person was given 30 many push-ups as possible, and 30 seconds to do as many sit-ups as possible. The data is shown in the graph. Comparison of Push-Ups and Sit-Ups Number of Sit-Ups 15+ 10 5 = 1 person 0 2 4 6 8 10 12 14 16 18 20 Number of Push-Ups Which two statements correctly describe the data? A. There is a cluster of data at about 9 push-ups and 15 sit-ups. B. Most people in the survey can do more sit-ups than push-ups. C. The data shows no association between the number of push-ups and sit-ups a person can do. D. The data shows a negative association between the number of push-ups and sit-ups a person can do.