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The owner of a fitness center conducted a survey using 20 people at the center, selected at random. Each person was given 30 seconds to do as
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
You ou
. = 1 person
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.
OB. Most people in the survey can do more sit-ups than push-ups,
OC. 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.
In27
Growth: Math 6+ MI 2010
Question # 9