SOLUTION: A 10-year study conducted by the American Heart Association provided data on how age related to the risk of strokes. Suppose that the following data was obtained in a follow-up st
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Question 145045: A 10-year study conducted by the American Heart Association provided data on how age related to the risk of strokes. Suppose that the following data was obtained in a follow-up study. Risk is interpreted as the probability that the patient will have a stroke over the next 10-year,
Patient Risk Age
1 12 57
2 24 67
3 13 58
4 56 86
5 28 59
6 51 76
7 31 78
8 18 56
9 37 80
10 15 78
11 22 71
12 36 70
13 15 67
14 48 77
15 15 60
16 36 82
17 8 66
18 34 80
19 3 62
20 37 59
a) Develop an estimated regression equation that can be used to relate the risk of a stroke to the person’s age.
b) Is the relationship between risk and age significant at the 95% confidence level?
c) Compute the correlation coefficient and interpret the result.
(