Activity Problem A developmental psychologist studying people in their eighties was interested in the relation between number of very close friends and overall health. The scores for six research participants follow. Research Participant Number of Friends Overall Health A 2 41 B 4 72 37 D 3 84 E 2 52 F 49 a. Determine if there is a correlation between number of close friends and overall health of people. (critical value = ± 2.571) b. If the correlation exists, predict the overall health if the number of friends is 5.

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