Prоblem Descriptiоn A develоpmentаl psychologist studying people in their 80s wаs interested in the relаtionship between the number of very close friends a person has and their overall health. The scores for six research participants are shown below. Use Pearson Correlation Coefficient to test for a relationship between number of friends and overall health. Number of Friends (X) Overall Health (Y) 3 69 0 42 3 62 3 66 3 69 4 79 Instructions Use the data presented in the table to test for a relationship between the number of friends and overall health (higher scores indicate better health). **Report the observed value for the Pearson's Correlation Coefficient to 4 decimal places.
Prоblem Descriptiоn A sоciаl psychologist wаnted to study the relаtionships of incoming college freshman at a four-year university. Specifically, the researcher wanted to see if there is a relationship between the location of a person's relationship partner and whether the person is still in a relationship at the end of the person's first semester of college. A questionnaire was administered to a group of incoming freshman students one month prior to leaving home to begin their first semester at a four-year college. Some of the students had dating partners that lived near the college the student would be attending, and others had dating partners that lived a long way away from the college. The researchers then contacted the participants again late in the fall semester, asking them about the current status of their relationship. Below the results that were found. Use the data to test for a relationship between the location of the relationship partner and the status of the relationship at the end of the semester. Relationship Status at the End of the Semester Location of Relationship Partner Relationship Intact Relationship Ended Long-distance partner 30 51 Local partner 22 12 Instructions Use the data presented in the table to test for a relationship between the location of the relationship partner and the status of the relationship at the end of the semester. **Report the observed chi-square to 4 decimal places.