Sam the bartender believes that there is a relationship between the number of beers one consumes and how physically attractive members of the opposite sex appear. Specifically, the more beers one drinks the more attractive the opposite sex. One night when there are ten people in the bar, Sam counts the number of beers they consume and has them rate a friend of his who is also sitting at the bar. He obtains a correlation of r = .79 and wants to use a = .05. The appropriate test for this study is a:

• Zero-tailed test
• One-tailed test
• Two-tailed test
• Multi-tailed test
• Skewed-tailed test