Living on campus. A February 2, 2008, article in the Columbus Dispatch reported a study on the distances students lived from campus and average GPA. Here is a summary of the results:

Residence Avg. GPA Residence hall 3.33 Walking distance 3.16 Near campus, long walk or short drive 3.12 Within the county, not near campus 2.97 Outside the county 2.94 302 CHAPTER 14 Describing Relationships: Scatterplots and Correlation Based on these data, is the association between the distance a student lives from campus and GPA positive, negative, or near 0?