The residents of a housing development for senior citizens have completed a survey in which they indicated how physically active they are (X) and how many visitors they receive each week. You find the following regression equation: Y = 14.04 - 0.56X. Select an appropriate conclusion below.
1. the more physically active the seniors are, they more visitors they tend to have.
2. The more physically active the seniors are, they fewer visitors they tend to have.
3. It is not possible to determine whether visitors increase or decrease with higher levels of physical activity.