A psychologist is interested in testing the correlation between a person's annual income and their overall happiness score based on a robust questionnaire that yields a standardized score. The researcher does not believe that a person's annual income will significantly impact their happiness, either positively or negatively. A large random sample of individuals is collected to test the psychologist's claim. a. Determine what population parameter is being tested: OH OP P b. Determine if the alternative hypothesis is a left-tailed, right-tailed, or two-tailed test: <:left-tailed o > right-tailed fe: two-tailed