A researcher wishes to determine if a person's age is related to the number of hours he or she exercises per week. Use the information presented in the graph in order to answer questions 23 - 25. Calculate Pearson's correlation coefficient, r, for the relationship between age (x-variable) and hours of exercise (y- variable). Regression Plot Hours = 10.4:88- 0.178967 Age S = 209208 R- Sq = 692 % R-Sq adj) = 615 % 10 5 Hours 20 30 40 50 60 Age )69